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sanity,
humanity and science
post-autistic economics review
Issue no. 26, 2 August
2004
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In
this issue:
- Shaun Hargreaves Heap
Living in an affluent society: it is so ‘more-ish’
- Lewis L. Smith
Complexity Economics and Alan Greenspan
- Gautam
Mukerjee
Capabilities and Indeterminacy
- Matthew McCartney
Dynamic versus Static Efficiency
- Ian Fletcher
A Neoclassical Hole in Neoclassical Free Trade
- Rajni Bakshi
Gross National Happiness
Living in an
affluent society: it is so ‘more-ish’
Shaun Hargreaves Heap (University of East Anglia, UK)
Introduction
Who do you know with recent publications in top rated
journals, who teaches at a one of the best economics departments and who has
just written a best seller on the peculiar difficulties of living in an
affluent society?
I suspect the answer is nobody; and I doubt that the reply
would have been different had I enquired in a similar way during any of the
last 40 years. However, had I asked the question in the late 1950s, there was
someone: John K. Galbraith.
Of course, there have been other well known economists who
have written for a popular audience, but none can match Galbraith’s style or
his canvass. He is probably the only economist during the post-war period who
comes close to Keynes in these respects. I was reminded of this the other day
when I came across a Readers Union copy of The Affluent Society while I was
browsing in a second-hand bookshop. I bought and re-read it; and it is a gem.
Here is why.
The Affluent
Society: the main argument
‘Among the many models of the good society no one has
urged the squirrel wheel’.
So Galbraith remarks, yet living in affluent societies
closely resembles a life on the squirrel wheel. This is the first aspect of
the problem confronting those who live in a comparatively rich society. It
arises because our aspirations get focussed on increasing income just as we
have more of it than our parents or grandparents could ever have dreamt of.
No sooner do we have more, than we want more….and so the wheel turns one more
time, we re-adjust our beady eyes and begin to ascend the ladder again….with
predictable effect.
This thought hardly needs introducing as it has achieved a
certain acceptability in the mainstream now. The growing weight of the
evidence, that we seem little, if any, happier than our parents or
grandparents despite being much richer, has spawned a whole literature on how
to account for the apparent absence of a relationship over time between the
level of income and happiness. Galbraith deserves recognition for being one
of the first to see this aspect of the peculiar problem of affluence and to
have anticipated some of the contemporary explanations of this seeming
paradox. For instance, his analysis of this problem centres on two, now well
understood mechanisms that promote the expansion of ‘wants’ as income grows.
One is the logic of relative comparison whereby one’s happiness is based in
part on how we are doing relative to others. So when everyone’s income rises,
no one feels better off. The other relates to the growth of industries, like
advertising, which are concerned precisely to populate our dreams with
hitherto unimaginable, yet now plainly desirable, objects.
The second aspect of the problem experienced by affluent
societies is what Galbraith calls ‘social imbalance’. This is his early
version of what he referred to later in a more revealing way as ‘private
affluence and public squalor’. Our public services lag inexorably behind our
private consumption. This is primarily, on his account, because there is no
mechanism akin to the market
that signals and generates the response of, for instance, more roads when we
buy another car. The extra steel for this car gets produced, as does the
material for the seats and the upholstery, because the increase in demand
makes it profitable for these manufacturers to expand their output. But there
is nothing like this with respect to roads or clean air. Yet just as surely,
we will need more of these public goods as well as the steel and other
privately produced materials when we buy and drive our new cars. This is a
political failure and, although Galbraith’s analysis and conclusions are
different, he is recognising the failure that later distinguished the Public
Choice School. So, again credit is due to Galbraith for anticipating
something that is now well recognised.
His primary solution to both dimensions of the problem of
affluence is to mandate growth in expenditure on public services financed by
a sales tax. In particular, there has to be much bigger expenditure on
education. In part this is because the obsession with income growth is
encouraging both parents to work, so that the need for child care is growing
particularly fast. It is also necessary because the educational system
supplies the one counterveiling influence to the contemporary obsession with
money. In other words, if we are to really enjoy being rich, then we have to
build up our public services in ways that help sustain a more varied set of
aspirations than just getting richer.
Although, this is a commendably Smithian view of the role
of education in an affluent society, I suspect that Galbraith’s particular
remedies do not stand close inspection. This is largely because we have come
to worry with the Public Choice School over what goes on in the public sector
and our only remedy has the effect of recreating the mentality that only
money matters within the public sector itself. I will say more on this below.
I want to turn first to some of the supporting or subsidiary arguments in the
book.
Some supporting arguments
There is a wonderful set of elaborations to the arguments
that I have just sketched, but there are also a further group that Galbraith
deploys in his analysis of our obsession with output and income. They are
worth setting out because they signal something more about his contribution.
It is perhaps most easy to bring out how these arguments come together and
why they are interesting if I list the points made and comment on their
contemporary resonance.
1)
The ideas that we use to interpret events almost always
relate to a different historical epoch.
On the one hand, this looks back because it is a version
of Keynes’s famous observation about politicians at the end of The General
Theory, but it also looks forward because the same arresting conclusion,
albeit drawn for different reasons, is one of the hallmarks of evolutionary
psychology. It is important in Galbraith’s argument as most of human history
has known only the problem of getting enough to meet the strict necessaries
of life. Indeed in most affluent countries, it is only during the 20th
century that real wages started to rise much above subsistence. As a result,
our ideas regarding the economy have and continue to be dominated by concerns
with raising output. What insulates this obsession from the reality of
affluence is a combination of 2) and 3).
2)
‘Conventional wisdom’ reigns.
‘Because economic and social
phenomena are so forbidding, or at least so seem, and because they yield few
hard tests of what exists and what does not, they afford the individual a
luxury not given by physical phenomena. Within a considerable range he is
permitted to believe what he pleases. He may hold whatever view of this world
he finds most agreeable or otherwise to his taste.
As a consequence, in the interpretation
of all social life there is a persistent and never ending competition between
what is relevant and what is merely acceptable. In this competition, while a
strategic advantage lies with what exists, all tactical advantage is with the
acceptable. Audiences of all kinds most applaud what they like best. And in
social comment the test of audience approval, far more than the test of
truth, comes to influence comment.’ (p.5).
…..Ideas are inherently
conservative. They yield not to the attack of other ideas but to the massive
onslaught of circumstance with which they cannot contend. (p.15)
Galbraith sets out in this way a view of what Kuhn later
called ‘normal science’: in particular, its dependence on convention in the
scientific community and its insulation from awkward facts. Sociologists of
science have since made this idea commonplace, and it helps explain how we
still fixate on output growth despite the experience of affluence, once it is
also understood why output growth proves so agreeable to us as ‘audience’---cue
the third element in this group of arguments.
3)
Output growth eases the tensions that come from inequality
and makes for security.
This is why we applaud output growth. Inequality is always
a potential source of tension in society, but this is mitigated by the growth
in incomes because the numbers of people in absolute poverty falls. Likewise,
the growth of output is fuelled by maintaining full employment and the most
significant source of insecurity in society is the prospect of unemployment.
Thus Galbraith is one of the early commentators to make the connections
between growth and social harmony which have been central to social
democratic politics in the postwar period; and when combined with the earlier
two points we have a further explanation of how our expectations have become
so narrowed on stuff, stuff and more stuff, please!
Does the analysis
still apply?
Few cannot be puzzled by the appetite of the affluent. The
absence of any measurable effect of income growth on happiness is only one
part of what is strange here. The failure to take measures that will address
the global warming that has been and continues to be generated by output
growth increasingly appears like some form of death wish. There are also more
local pathologies. The highest earners in the UK and the US actually work
longer hours than their counterparts 20 years ago. So the pursuit of more
stuff is seemingly ornamental because the getting of it is now cutting into
the time that we have left to play with it. To put the issue bluntly, if we
could for one moment step outside the squirrel wheel, surely we would
conclude that we are interested in output growth to an extent which casts
doubt on whether we actually know where our interests lie anymore. For these
reasons, the subject of Galbraith’s book is even more timely now than it was
in the late 1950s.
How relevant, though, is Galbraith’s analysis of the
dynamics of the squirrel wheel for the contemporary world?
I have two criticisms here. The first is perhaps best summarised as a failure to
anticipate the problem of identity. I believe that this holds the key to
understanding why consumption is so central to our lives. There are two parts
to this observation. One is that while one kind of insecurity does disappear
with full employment, the collapse of traditional bonds of one kind or
another in the modern world has made personal identity more fluid and with
this fluidity comes another kind of insecurity. It is no coincidence that
people talk now of identity politics. The term reflects the way in which
identity has become problematic. So Galbraith was wrong to assume that full
employment pushes insecurity into the background.
At the same time, consumer goods have more clearly come to
form a language system. This is the important insight that anthropology gives
economics. We use consumer goods to say things about ourselves and as our
identity has become less well fixed through traditional bonds of one kind or
another, we have had increasing recourse to the world of goods to do it for
us. (Incidentally, this means that advertising is not so much a conspiracy,
as Galbraith seems to hint: it actually works with the grain of human nature.
And while making parenthetic remarks, it is perhaps worth adding that it is
not just the advertising industry which plays such a crucial role, it is the
whole set of mass media industries.)
The other part of the observation about identity relates
to the intrinsic nature of relative comparison in general. Too often in
economics, this has been treated pejoratively as a desire for status,
something invidious, when it is actually more deeply rooted in a general
sense in human nature. This is in part a lesson that Wittgenstein teaches us
and it would be well for economists to take the point more seriously.
These are shorthand comments which sum to the thought that
the impetus towards consumption is in some respects perfectly natural, if not
ineluctable. We need to fix our identities and consumption has been a key
arena in which this is done. Since our concern with identity is not going to
disappear, this means that if we are not happy with the part played by
consumption in this, then we have to think about how identity can come to be
more closely associated with non-consumption activities. This directly feeds
into my next critical comment because Galbraith, following Smith, was surely
right to see that the education system is a potential source of some other
value system. It is not the only source, however, and nor is it an easy
solution. This is the source of my second critical reflection.
There is a fundamental difficulty that has arisen with the
public service solution to the problems of a market society. We apparently no
longer trust public servants to do the job, and so require that they are
accountable, and often minutely so, for their actions. But in making them
accountable through performance indicators and all the other penumbra of the
audit economy, we have re-encountered the old problems of control found in
Soviet style economies. It is actually worse than this. It is not just that
close observation fails to produce the desired results because it can never
be quite close enough, it is that the professional value systems that used to
thrive in the discretion given to public servants no longer have any space.
This is unfortunate because
these professional value systems involve the subordination of strict
individual self interest to some other standard that typically trades in
concepts like ‘honour’, ‘trust’, ‘just’, ‘the good’, etc. These are the
natural vocabulary of all alternative value systems and so their dwindling
currency among all parts of the public sector is a source of some regret in
this context.
Of course, this is not to be taken as an argument against
accountability. Rather it is a complaint that our ideas regarding
accountability are often terribly impoverished. What we need are mechanisms
of accountability that work with the grain of professional judgement rather
than the reverse, which is what we increasingly have now. The point is in a
sense trivial, but one cannot sensibly expect public institutions to act as
fount for critical reflection if the organisation of those institutions
increasingly works with the very value system that one would like to see
appraised.
I suppose that my two criticisms of Galbraith can be
bought together in a single thought. It is that economics needs a better
understanding of individual agency if the problem of the squirrel wheel is
ever to be seriously addressed. This is, of course, happening in odd nooks
and crannies and the point of writing this piece is not to dwell on these
criticisms, it is to say that re-reading Galbraith is a marvellous
encouragement to the enterprise.
______________________________
SUGGESTED CITATION:
Shaun
Hargreaves Heap, “Living in an affluent society: it is so ‘more-ish’”, post-autistic
economics review, issue no. 26, 2 August 2004,
article 1, http://www.btinternet.com/~pae_news/review/issue26.htm
Complexity
Economics and Alan Greenspan
Lewis L. Smith (USA)
Complexity
Dynamic systems are ubiquitous throughout the universe.
They range from nanomachines to the universe itself. And in their celestial
form, they have been a subject of human inquiry for at least six thousand
years. As a result, many of the themes of concern to complexity researchers
have already been studied in astronomy, biology, cardiology, chemistry,
computer science, demography, economics, electricity, game theory, mathematics,
meteorology, physics, et cetera, albeit in each case from the perspective of
a particular scientific discipline.
But it is only recently that we have come to recognize
that many dynamic systems long considered “independent” actually constitute a
single family, one which we now call complex systems. Examples of the latter
are biological species, cardiovascular systems, economies, human societies,
neural systems and securities markets. What ties these seemly diverse systems
together and how their common features came to be recognized are the subjects
of this section.
For example, “the invisible hand”, first noted by Adam
Smith in 17761 is a
classic example of the “emergent properties” so characteristic of complex
systems. Whenever the potential buyers and sellers for a particular good or
service reach a critical mass in terms of number, they may spontaneously
organize into a decentralized, competitive market which exhibits a coherent
set of prices. Moreover, this set may remain in equilibrium for a
considerable period of time. As this market coevolves with other markets and
with its cultural, ecological and institutional environments, it may not only
exhibit types of dynamics which are either unique or those which are common
to markets as a class, but also some or all of those which are common to
complex systems.
But it was not until the 1970’s that researchers in these
diverse fields began to talk to one another sufficiently to overcome the
interdisciplinary barriers of concepts, jargon and pride and achieve a
painfully won breakthrough in mutual understanding. At some point, some of
them came to realize that the apparently distinct objects of their affections
had something in common, enough for these features to be fruitfully studied
within the scope of a new discipline, which came to be known as “complexity”,
among other names. Like the famous blind men, they realized that they were
all feeling the same animal (or at least related versions of the same animal)
only this “animal” was a good deal more complicated and complex than an
elephant!
Today, with a proliferation of business advisory groups,
conferences, consultants, fellowships, journals, research institutes,
seminars, workshops, et cetera, complexity is here to stay, despite
occasional expressions of doubt from within and without the discipline.2
Moreover, the students of
complexity have already been able to give useful advice to economists,
managers, politicians and others.3 In this, they resemble the “mature” discipline of biology,
which continuously contributes to the invention of medicines which cure
people and save lives, even though it still cannot tell us what constitutes
“life” or how life came about.
Nevertheless, the goals of many complexity researchers
seem to have become more modest. Whereas once some of them dreamed of
uncovering the equivalent of Newton’s mechanics for all complex systems, many
would be content to find for each type, a set of laws governing its dynamics
and then some general principles underlying all of these sets. These
principles would then become the foundations of a mature discipline of
complexity.4
Moreover, as a young discipline, complexity still has many
issues to resolve. These include a lack of consensus on basic definitions, on
metrics, taxonomy and terminology. There is also an urgent need to improve
theoretical constructs and develop new ones, and to perform many more
empirical validations.
Some of the open questions yet to be answered include —
What exactly do we mean by “complexity” and “complex systems”? What is an “emergent property” and
how does it “emerge”? How do we
model and explain the dynamics of systems which are capable of manifesting
such diverse behavior as “lockins”, “multimodal” behavior, “path dependence”
and “branch jumps on the possibility tree”, all within the planning horizon
of the observer/participant?5
Some outstanding characteristics of complex systems are the following.
- Once
a critical mass of potential participants has been reached, they
spontaneously self-organize into a dynamic system of successive
hierarchies. This is done by a process of mutual accommodation, without
central direction, planning or programming.6
- With
only modest intelligence, local information and simple rules for
interaction, the participants in these systems can generate very complex
system behavior. This is due in part to the positive feedbacks which may
occur from events in the life of the system. In turn, the latter are due
(in part) to the existence of increasing returns to scale, such as those
which may be provided by network effects. As a result, there is no need
for strong assumptions about the capacity, knowledge or rationality of
the participants, although none of these properties are prohibited. (So
much for rational expectations!)
- Once
formed, complex systems exhibit surprising properties, called “emergent
properties” which cannot be deduced in advance from the properties of
the participants, from the rules for their interaction or from any
combination thereof. Adam Smith’s “invisible hand” was one of the first
to be recognized.7
- A
complex system is likely to spend more time in disequilibrium than
equilibrium. And there is no guarantee that departures from equilibrium
will be short, in either distance or time. (Keynes lives!) Moreover, being in equilibrium
may even be suboptimal, if it means that you are “asleep at the switch”
and are going to be “zapped” by a competitor, as happened to the US auto
manufacturers on the eve of the first Japanese assault on their market
share.8 Finally
multiple equilibriums are also possible.
- The
dynamics of a complex system are best described by non-linear as opposed
to linear relationships9, but as yet it is not possible to
accurately model the former. The closest one can come are simulations
based on cellular automata.10 Despite their limitations,
these models produce behavior similar to the observed behavior of real
systems.11
An important subfamily of complex systems are both adaptive and evolutionary
(CAE systems).12 Some important characteristics of CAE systems are
the following.
- CAE
systems co-evolve with their environment(s) and/or other system(s).
Examples are the interactions of deer, soil, vegetation, weather and
wolves; biologically healthy lakes being managed for multiple use; and
of course, a national economy in a world of other economies, national
and international institutions et cetera. This co-evolution is often
more “bouncy”, complicated and faster than Darwin imagined for
biological species, and may involve symbiosis as well as competition.13
- In
the medium and long runs, the evolution of a CAE system is liable to be
unpredictable, in both space and time. To be sure, the inherent
characteristics of the participants, their initial endowments and
institutions, the environments within which the system operates and
phenomena such as lockins and path dependence14, may set a
certain “tone” to the system’s evolution and for a while at least, keep
it within a fairly compact region of its possibility tree. However,
other factors, some like the bumpers in a game of pinball, will
eventually set the system off in unexpected directions. These include
“visits” to chaotic and random modes, the importance of initial
conditions in the case of the former, the unpredictability of outcomes
in both cases, increasing returns to scale, political crises,
technological innovations, epidemics, wars and branch jumps on the
possibility tree.
- Given
the foregoing, the “best estimate” forecasting long favored by American
automobile manufacturers and Marxist dictatorships (among others) is
“out”, and “scenario planning” is “in”.
- Long-run
optimums cannot be defined and may be multiple. So every investment plan
must be “re-optimized” from time to time. And in comparing investment
options, strategic merits and robustness against surprise may be more
important than an incremental advantage in terms of the internal rate of
return.15
- In
a world of CAE systems, a new kind of manager and a new kind of planner
are required. Also and for the first time in history, “antenna people”
become important. These are people who can detect whether the current
scenario is unfolding as planned, shifting under ones feet or turning
into something unforeseen, and do so in time for the organization to
avoid being ambushed!16
Alan Greenspan
In the last few
years, a number of agencies of the US federal government have hired
consultants who specialize in applying the fruits of complexity research to
strategic planning and/or to management. In August 2003, there occurred what may turn out to be one
of the biggest breakthroughs of all for complexity theory and in a most
unlikely place, Jackson Hole, Wyoming.
Moreover, it happened at a symposium sponsored by the Federal Reserve
Bank of Kansas City, located in what some consider “the heartland of
America”. Speaking on “Monetary
Policy under Uncertainty” and clothing his message in the traditional
language of risk management, Alan Greenspan, Chairman of the FRB, expressed
numerous ideas which could have come straight out of the mouth of a complexity
economist. If my suspicions are correct, complexity economics has partially penetrated one of the
greatest bastions of the US economy.
Chairman Greenspan’s talk is only five pages long.
Following are a few quotes from this extraordinary document.17 [Italics
are mine.]
“Uncertainty is … the defining feature of [the monetary] landscape …As a consequence, the
conduct of monetary policy … requires an understanding of the many sources of
risk and uncertainty that policy makers face …
“…a critical result [of the
attempt to achieve this understanding] has been the identification of a
relatively small set of key relationships that, taken together, provide a
useful approximation of our economy’s dynamics … [However] our knowledge
about many … important linkages is far from complete and in all likelihood
will always remain so. Every model
… is a vastly simplified representation of the world that we experience …
“… a prominent shortcoming of our structural models
is that … not only are economic responses presumed
fixed through time, but they are generally assumed to be linear …
“… also the relationships
underlying the economy’s structure change over time in ways that are
difficult to anticipate … what constitutes money has been obscured by the
introduction of technologies that have facilitated the proliferation of
financial products …
“A well-known proposition is
that, under a very restrictive set of assumptions, uncertainty has no bearing
on the actions that policy makers might choose …These assumptions are never met in the real world.
“… policy makers need to consider
not only the most likely future path …but also the distribution of possible outcomes about that path …
“A policy action that is
calculated to be optimal … may not
in fact be optimal, once the full extent of uncertainty …is taken into
account …
“… only a limited number of risks
can be quantified with any confidence. And even these risks are generally
quantifiable only if we accept the
assumption that the future will replicate the past … 18
“… Our problem is not the
complexity of our models but the far
greater complexity of a world economy whose underlying linkages appear to
be in a constant state of flux.
“Rules by their nature
are simple and, when [both] significant and shifting uncertainties exist in
the [economy, these rules] cannnot substitute for risk-management paradigms …
“… monetary policy based
on risk management appears to be the most useful regime by which to conduct
policy …”
I wrote the Chairman about this speech and received a Delphic
reply from one of his assistants, assuring me that the Chairman will continue
to consider such factors in the future!
So if he has embraced much of the complexity message, he is not yet
“out of the closet”. His language is veiled, and his “conversion” is
incomplete.
As regards the language, one conjectures that he has
clothed his ideas in the mantel of risk management, so as not to scare his
ex-coworkers on Wall Street.
As regards his philosophy, other positions adopted in
recent years show that in some ways, he is still far to the right, in terms
of the traditional US political spectrum.19 For example, in 2000,
he denounced “irrational exuberance” in the stock markets, then refrained
from action, when he could have sent a strong psychological message by
raising “margin requirements”, the minimum down payment required for
purchases of stocks on credit. Subsequently he opposed tax cuts. But once
they were enacted (with 60%
going to 10% of the taxpayers) he called for expenditure cuts in order
to balance the federal budget. This of course leaves some 43 million
Americans who lack health insurance “out in the cold”.
Nevertheless, “a cat” did “get out of the bag” at Jackson
Hole. Let’s see how we can turn this felicitous event to our advantage, in
the struggle to replace neoclassical economics with something humane and
realistic.
Notes
1. Smith, A., An
Enquiry into the Nature and Causes of the Wealth of Nations (Glasgow
edition, two volumes, Oxford, 1976).
2.
Durlauf, S., “Complexity and Empirical Economics”, Feb 2003, <
ideas.repec.org >.
3.
In addition to the examples mentioned previously, see also: Allison, M. A.
and Kelly, S., The Complexity Advantage
: How the Science of Complexity Can Help Your Business Achieve Peak
Performance (McGraw-Hill, 1999), Axelrod, R. and Cohen, M. D., Harnessing Complexity (The Free Press,
1999), and Kupers, R., “What Organizational Leaders Should Know about the New
Science of Complexity”, Complexity Sep/Oct 2000, among others.
4.
Klüver, J., “The Evolution of Social Geometry”, Complexity 09/01. For a detailed and erudite discussion of
complex systems in different disciplines, see Bar-Yam, Y., Dynamics of Complex Systems
(Addison-Wesley, 1997).
5. A “possibility tree” is a diagram which charts the possible evolutions of
a dynamic system from its present condition in the form of a branching tree,
on the assumption that each possibility can be discretely described and is
related only to one antecedent and a few successors. An example of a “branch
jump” would be if Oman, currently dependent on crude oil, suddenly found it
economic to apply the Shell Middle Distillates process to producing diesel,
kerosene and naphtha from stranded gas fields at isolated locations in that
country.
6.
Participants are called “agents” in the literature, which begs the question,
Agents of whom? In fact, participants are often independent, as is the case
with small business owners and stock-market players.
7.
The formation of water from hydrogen and oxygen is sometimes cited as an
example of an emergent property in chemistry. In fact, a Martian who knew
about the valence electrons of these two gases and how earthly chemical
reactions take place, could predict the possibility of water without ever
having seen it.
8.
The phrase “asleep at the switch” refers to the early days of railroading,
when switches in the tracks were manually operated by a “switchman” who spent
most of his shift in a small shack along side a telegraph instrument, waiting
for word that a train was coming. Sometimes switchmen fell asleep, from
alcohol or boredom, occasionally with disastrous consequences.
9.
Mateos, R., Olemdo E., Sancho, M., and Valderas, J. M., “From Linearity to
Complexity : towards a New Economics”, 2004, < server.srcpc.unsw.edu >.
10.
For example: Conway’s “Game of Life” in Gardner, M., Life and Other Mathematical Amusements (Freeman, 1983) ; Epstein,
J. M., “Agent-based Computational Models and Generative Social Science, Complexity May/June 1999 ; Gross, D.
and Strand, R., “Can Agent-based Models Assist Decisions on Large-scale
Practical Problems ?”, Complexity Jul/Aug 2000, and Page, S.,
“Computational Models from A to Z”, Complexity Sept/Oct 1999.
See also < econ.iastate.edu/tesfatsi >.
11.
For two additional candidate characteristics, see Chu, D., Strand, R. and
Fjelland, R., “Theories of Complexity”, Complexity 08/03 (2003).
12. The literature frequently refers to complex
adaptive systems (CAS), a somewhat looser term which appears to encompass
CAE systems. See Markose, S.,
“Markets as Complex Adaptive Systems” 09/03 < ideas.repec.org >.
13.
Darwin, C., On the Origin of the
Species (Harvard U. Press, 1964).
14.
The reality of lockins is controversial and has generated a large literature
for which I have not found a good summary. However, path dependence is common
in developing countries. For an excellent example, see Reinhart, C., Rogoff,
K. and Savastano, M. A., “Debt Intolerance”, NBER working paper #9208, August
2003.
15.
Some of the best examples of this kind of tradeoff are unfortunately the
least accessible. For example, the debates between “bean counters” and
“innovators” within pharmaceutical companies. And the internal debates
between bean counters and engineers over energy conservation and renewable
energy measures for existing factories.
16.
See Smith, L. “Who Matters in a Complex Society ?”, June 2004, Economics Web
Institute. Go to Google Advanced
Search, enter < economicswebinstitute.org > for English language only.
Once “inside” this URL, look for above title and click on underlined word essay
below the abstract.
17. http://www.federalreserve.gov/boarddocs/speeches/2003/200308
29/default.htm
18.
A risk which is not quantifiable is no longer a risk. It is an uncertainty.
19. By our emphasis on disequilibrium, complexity investigators are not only
“off the spectrum” but in rebellion against 250 years of economics. After
all, in the final analysis, even Austrians, Marxists and Schumpaterians come
down in favor of equilibrium as normal, if not also a good thing.
______________________________
SUGGESTED CITATION:
Lewis L. Smith, “Complexity Economics and Alan
Greenspan ”, post-autistic economics review,
issue no. 26, 2 August 2004, article 2, http://www.btinternet.com/~pae_news/review/issue26.htm
Capabilities and
Indeterminacy
Gautam Mukerjee (University of Pittsburgh at Bradford, USA)
Emmanuelle Benicourt recently initiated an interesting
debate by questioning the view that Amartya Sen has made significant
contributions to post-autistic economics. This counters the popular position that Sen goes far
beyond the conventional confines of welfare economics and liberal philosophy,
thereby overcoming the limitations of the neoclassical economic
mainstream.
Ingrid Robeyns (2002), for instance, considers Sen’s idea
of capabilities to be a consistent normative framework that ‘effectively
links commodities, observable outcomes and unobservable opportunities’,
offering thereby a far broader analytical scope than found in neoclassical
economics. Benicourt challenges that view with the argument that the
plurality of focus inherent in capabilities, not only precludes consistency
on the normative front but renders the approach ‘nonoperational for
policy-makers’ (Benicourt 2004).
In contrast, Jorge Buzaglo (2003), while not denying that
Sen’s capabilities approach has neoclassical roots, finds it to be a
‘radical-progressive’ variant, especially as he sees in capabilities an
exploration of ‘the preferences of the mind’ in the Spinozian fashion. Benicourt takes exception to that
position as well, by pointing out that Sen does not venture too far from the
theoretical perimeter of the Arrow-Debreu model nor does he abandon the idea
of society contained therein; in fact, his failure to completely escape the ‘enchanting power of markets’ is
evident from the seemingly contradictory positions he assumes regarding the
role of the state vis-à-vis markets in addressing the human plight (Benicourt 2004).
Interestingly, both sides of the debate appear to be
revolving around the curious
problem of indeterminacy that has long plagued the capabilities
approach. Indeterminacy, it is
contended here, occurs at three critical levels, namely, that of
conceptualization, foundational specification and policy orientation
concerning capabilities; consequently, a straightforward ideological labeling
may prove to be rather elusive for a long time to come. In effect, the question of whether or
not Sen makes a valuable contribution to the post-autistic tradition cannot
yet be settled in any meaningful or satisfactory way.
Between Commodities
and Utility
Sen uses the idea of a vector of functionings to define a
person’s state of being; in contrast, the opportunities to achieve well-being
in terms of the range of feasible vectors available to an individual
constitute that person’s capability (Sen 1985). Evidently, the key element in
the framework of capabilities is the idea of ‘functioning’ which Sen sees as
‘consisting of beings and doings’ enjoyed by an individual (Sen 1992,
p.38). At a more fundamental
level, however, the idea of capability and its constituent element of
functionings are not so easy to separate. For instance, health is both a functioning and a
capability (Gasper, p. 446); the same could be said about education which is
a capability as well as an attainable functioning. Perhaps it is the needed ‘ample spread’ of functionings
that obliterates the distinction between functioning and capabilities and
renders the boundary between the two concepts considerably blurry (Gasper, p.
448). Interestingly, on occasion
Sen himself has had to rely on functionings to clarify capabilities thereby
attesting to the ambiguity of both concepts (Sugden, p. 821).
Be that as it may, capabilities are clearly predicated
upon the availability of commodities in as much as the latter are necessary
though not sufficient for securing the former. Sen is very wary about letting the capabilities idea fall
victim to a commodity fixation.
In his estimation, the commodities approach carries the danger of
slipping into ‘commodity fetishism’ (Sen 1984, p. 510), the Rawlsian ideas of
justice notwithstanding.
Furthermore, the ‘commodities’ approach risks reducing the question of human well-being into a
matter of entitlements, that is, an undesirable state of dependency.
This of course does not mean that the ‘utilitarian’
alternative offers a way out either; this is because the idea of utility
maximization is prone to rationalizing even the severest conditions of
deprivation and therefore proves to be hopelessly inadequate in offering
substance to the idea of capabilities.
Sen is consequently careful about staying clear of the idea that the
outcomes of revealed preference could serve as an operational metric for
capabilities.
Not surprisingly, capabilities are best seen in relation to ‘a moral or ethical
space’ so as to avoid the extremes of
commodities or pleasure states (Croker, p. 584). The curious middle ground, between
commodities and utilities, however, means that the building of valuable
functionings replaces conventional utility maximization with an active
campaign to remove the constraints and impediments on the path of
self-actualization for the individual.
It is worthy of note that the celebrated rejection of the
conventional metric of well-being in terms of commodities or utilities, does
not in any way mean discarding the underlying processes of commodification as
well nor does it avoid the neoclassical predilection for individuating all
problems concerning human survival.
Sen in fact has no interest in taking up the question of
nonindividualistic social orderings; on the contrary, ‘he shares the premise
of individualism with virtually all of contemporary welfare economics’
(Beitz, p.283). For all intent
and purposes, therefore, the processes underlying the making of commodities
as well as the mechanics of individuation must be taken to be essentially
costless in the forging of valuable functionings towards building
capabilities.
On the conceptual plane, the idea of capabilities
undoubtedly constitutes a movement from the concrete to the abstract as Sen
deftly takes his audience backwards from commodities to the act of choosing
and to the mental space underlying choice. Sen’s apparent contentment in
letting choices be guided by whatever ‘people have reason to value’, however,
readmits preferences into the capability framework without first providing a
theory of choice (Gasper, p. 440).
While capabilities are not grounded in either commodities
or revealed preference, however, the failure to account for the behind-the-scenes processes of
commodification and the formation of preferences as well as the logic of
economic organization underlying choice, contribute to a general state of
indeterminacy. Although Sen’s
prolific talents as an economist among philosophers are truly undeniable, the
philosophical overtones of the capability approach do not lend itself easily
to ‘concrete’ issues as pointed out by Benicourt (2002).
Not surprisingly, the capabilities approach passes on
occasion for a ‘patching operation’ of sorts, in as much as Sen attempts to
broaden the individual operational space without necessarily exploring the
logic of preferences or admitting to the ever-present risk of consumerism
(Gasper, p. 449).
Foundational
questions
At the foundational level, the normative roots of capabilities
are not so easy to establish, as Benicourt points out. Sen’s rejection of ‘externalist’
normative standards has been seen by some as an effort to rise above both
‘absolute’ and relative standards to develop what some have referred to as a
‘metaethic’ and an internalist foundation (Crocker, p. 588). This raises the further question, as
Gasper points out, of whether there is any guarantee that the functionings
chosen will indeed be valuable in terms of larger social well-being or even
in terms of the long-term welfare of the individual; Gasper uses the example
of the Internet which may be used as much for speedy informational exchange
as for the promotion of gambling and pornography, much to the detriment of
the larger social whole (Gasper, p. 455). More fundamentally, there is the unavoidable issue of
whether the winning of negative freedoms, a prerequisite for capabilities can
automatically assure positive freedoms that are generally claimed to be the
essence of capabilities (Sugden, p. 821).
Sen has recently joined forces with philosopher Martha
Nussbaum to establish the ethical underlining of capabilities, being careful
to reject both extremes of paternalism and perfectionism (Pressman and
Summerfield, p.432). Arguably,
Sen has been after the cultivation of a ‘moral space’ that is presumably free
of all social or cultural conditionings of individuals and therefore amenable
to interpersonal comparisons.
Sugden (1986, p.821) notes that there is a clear presumption of ‘values’ behind capabilities; for
instance, the capability for right choice needs to be presumed before a broad
range of choices could be deemed sufficient in terms of capabilities. However, this invariably suggests
‘layered valuation’ in as much as the exercise of choice itself happens to be
a capability which in turn relies on subsidiary capabilities, such as, the
capability to choose (Gasper, p. 456).
Despite appearances, however, capabilities do not
constitute a morally neutral space since Sen is emphatic about rejecting both
the utilitarian and libertarian standards (Crocker, p. 598). This in combination with the sheer
pluralism of relying on the judgement of individual agents in determining
valuable functionings precludes a clear normative foundation without which
one encounters indeterminacy once again, albeit at another level.
In as much as the capabilities approach lacks a theory of
human preference it appears to rely on the belief that the removal of
external impediments is miraculously to bring out the best in individuals. Here then is an article of faith that
takes the place of reasoned argument, an odd note in the general
orchestration of capabilities.
In the same vein, Sen’s belief that culturally invariant values could
be found through the capabilities approach seems more a hopeful claim than a
logical proposition (Crocker, p. 605).
Ultimately, it appears that virtually all human conditions
could easily be described in terms of capabilities or a lack thereof but this
does not mean that we can explain in terms of capabilities. For instance, an equal distribution
of material possessions among individuals does not necessarily imply equal
capabilities any more than identical capabilities can assure equality in terms
of material possessions. Where
then is an objective standard that might help distinguish between the two
scenarios ? Evidently, the
simple equating of poverty to capability deprivation might be no more than a
definitional variation which says little about the concrete ways in which
capabilities could be restored since material affluence in itself is no
assurance of restoring capabilties.
Search for a metric
Sen approaches the human problem from the point of view of
an enlightened policymaker who supposedly is able to rise above the fray and
can judge what constitutes an impediment on the path of building the
capabilities of individuals.
However, one may very well ask where the policymaker’s values come
from or how she is able to gauge which impediments are to be dismantled in
order to restore individuals fully to their capabilities.
Basu has described capabilities as ‘an effort to develop a
philosophical base and systematic method for the use of non-market data in
evaluating societies’; however, he also warns that the use of such ideas as
‘a vector of functionings’ makes measurability rather elusive (Basu, pp.
70-72). From its inception, it
seems, the idea of capabilities has been a search for a viable operational
metric of human well-being and yet it is not difficult to see that such a
measure is yet to be discovered.
One might have reason to wonder if the very effort of enumeration does
not somehow push the concept even farther away from the reach of objective
standards. In as much as any
approach to capability must logically constitute a capability in and of
itself, the concept begins to lose distinctiveness. It is therefore hardly surprising that while upholding the
importance of substantive freedoms, Sen appears to be a bit circumspect about
identifying the ‘means’ of securing such freedom (Qizilbash, p.161).
Given that the content of functionings and capabilities
overlap considerably, all of this only adds to a general state of
indeterminacy (Pressman and Summerfeld, p. 430). Not surprisingly, what Benicourt sees as a clear
preponderance of correlations in operationalizing capabilities, could be
taken as further affirmation of the lack of a theoretical system, in
particular, the lack of a theory of well-being and human development (Gasper,
p. 436). So far, there does not
seem to be a sufficient set of concrete building blocks with which to define
capabilities and that is the problem; it is this shortcoming that leaves one
without a convincing metric. In
the final analysis, the idea of capability is at times forced to serve as its
own metric thereby becoming somewhat ‘tautologous’ (Gasper, p. 447).
There can be no doubt that Sen recognizes that ‘a
development ethic must be constructed in dialectical relation with empirical
investigation into what causes and impedes development as well as what
produces and prevents poverty, famine, etc.’ (Crocker, p. 587). However, this also means that the
criteria for judging the efficacy of the processes that are to secure the
valuable functionings and desired capabilities have also to be derived from
the same processes and that seems to be the root cause of all ambiguities and
indeterminacy. In addition, it
is the lack of specification of the capability dynamics that has led some to
view the concept of capability as ‘vacuous’ (Gasper, p.454).
In the final analysis, the idea of capability begs a
fundamental question: capability with respect to what ? That is, there needs to be a clear
predicate or a standard against which capabilities are to be judged and until
that issue can be resolved satisfactorily, it seems, the approach is destined
to remain more an abstract descriptive tool rather than an explanatory one
(Pressman and Summerfeld, p. 429).
Merits of
indeterminacy
Curiously, it is in indeterminacy that Sen appears to find
the true strength of the capability approach because it presumably lends
considerable flexibility to the framework, making it compatible with a whole
range of perspectives under the sun (Pressman and Summerfeld, p. 429). Arguably, the capability approach is
an excellent tool of criticism but the question is whether it lends itself to
constructive policymaking. As a
descriptive framework of well-being, capabilities perform rather well as is
increasingly evident from such ventures as the Human Development Index that
are intended to extend the conventional standard measures of well-being.
While one may not question the fact that the capability
approach broadens the focus of the neoclassical framework to a considerable
extent, the creation of a hybrid apparatus by thrusting what seem like
heterodox values onto neoclassical foundations might not yield a determinate
conceptual frame. The idea of
capabilities may indeed represent an emergent paradigm as suggested by
Robeyns but whether it may be identified as a particular indentifiable
ideological perspective or not is not so clear.
In view of the insurmountable fact of indeterminacy at all
levels, as has been seen here, it is impossible to convincingly categorize
the capabilities approach either as exclusively neoclassical or belonging
squarely in the heterodox camp.
While the label ‘neoclassical’ may indeed be a bit narrow in terms of
scope, the idea that capabilities represent a ‘radical-progressive’ agenda
may also be too bold a claim to make.
As matters stand, any such labeling is rather premature and it might
be best to await further development of the capabilities framework. Meanwhile, Benicourt ought to
be congratulated for bringing several critical issues surrounding
capabilities into the open; it is not only a timely venture but speaks well
for the analytical health of the heterodoxy. Post-autistic economic thought owes her a huge debt of
gratitude.
References
Basu,
Kaushik (1987), “Achievements, Capabilities and the Concept of Well-Being: A
Review of Commodities and Capabilities”, Social Choice and
Welfare, Vol. 4, pp. 69-76.
Beitz,
Charles, R. (1986), “Amartya Sen’s Resources, Values and Development”, Economics and Philosophy, Vol. 2, No.
2, pp.282-91
Benicourt,
Emmanuelle (2002), “Is Amartya Sen a Post-Autistic Economist ?” post-autistic economics review, issue
no. 15, September 4, article 4.
------------------------------
(2004), “Amartya Sen Again”, post-autistic
economics review, issue no. 24, March 15, article 5.
Buzaglo,
Jorge (2003), “Capabilities: From Spinoza to Sen and Beyond: Parts I and II”,
post-autistic economics review,
issues no. 20 and 21, June and September.
Crocker,
David A. (1992), “Functioning and Capability: The Foundation of Sen’s and Nussbaum’s Development
Ethic”,
Political Theory, Vol. 20, No. 4,
pp. 584-612.
Gasper,
Des (2002), “Is Sen’s Capability Approach an Adequate Basis for Considering
Human Development ?”, Review of
Political Economy, Vol. 14, No. 4, pp. 435-461.
Pressman,
Steven and Gale Summerfeld (2002), “Sen and Capabilities”, Review of Political Economy, Vol. 14,
No. 4, pp. 429-434.
Qizilbash,
M. (1996), “Capabilities, Well-being and Human Development: A Survey”, Journal of Development Studies, Vol.
33, No. 2, pp. 143-162
Robeyens,
Ingrid (2002), “In Defence of Amartya Sen”, post-autistic economics review, issue no. 17, December 4, article
5.
Sen,
Amartya K. (1984) Resources, Values and
Development, Oxford: Blackwell; Cambridge, MA: Harvard University Press.
--------------------
(1985) Commodities and Capabilities,
Amsterdam & New York: North-Holland.
--------------------
(1992) Inequality Reexamined
Oxford: Clarendon.
Sugden,
Robert (1986) Review:
Commodities and Capabilities.
The Economic Journal, Vol.
96, No. 383, pp. 820-22.
______________________________
SUGGESTED CITATION:
Gautam
Mukerjee, “Capabilities and Indeterminacy”, post-autistic economics review,
issue no. 26, 2 August 2004, article 3, http://www.btinternet.com/~pae_news/review/issue26.htm
Dynamic
versus Static Efficiency:
The Case of
Textile Exports from Bangladesh and the Developmental State
Matthew McCartney (SOAS, University of
London)
This paper begins by outlining the neoclassical theory of efficiency,
using international trade in Bangladesh as a case-study. This notion of efficiency is
extremely narrow, and concerned only with the allocation of a given quantity
of resources. Competition is
better modelled as a dynamic process.
This difference is considered in the context of Bangladesh. The phase-out of the WTO’s
Multi-Fiber Arrangement (MFA) quota regime will lead to intensified
international competition for textile exports. Dynamic efficiency can be defined as a virtuous circle of
increasing productivity, output and wages (the high-road). Likewise a vicious circle of reduced
wages, longer hours and intensified working conditions is possible (the
low-road). Neoclassical
economics has no means to distinguish between these two processes, if all
returns are equalised at the margin it is perfectly possible for both to be
considered efficient. Dynamic
efficiency is argued here to be an alternative paradigm to neoclassical
economics. The implications for
economic analysis and policy making are briefly considered. The principal conclusion of
this paper is that the narrow view of efficiency has restricted the relevance
of neoclassical economics. A
more realistic interpretation of how economies function as dynamic not static
entities is important in properly evaluating the conflicting and
complementary roles of government intervention and the free-market. The most important implication of
dynamic efficiency is in setting a theoretical basis of for the economic
analysis of the developmental state.
Neoclassical Theory:
Liberalisation and Comparative Advantage
The explicit theoretical rationale of liberalisation according to
neoclassical economics is to achieve an efficient (static) allocation of
resources. The link to economic
growth is implicit, rational individuals will save according to criteria such
as the life-cycle hypothesis, profit maximising firms will utilise these
available resources to invest efficiently. In a free market there is no such thing as growth that is
too slow, growth reflects the time preferences of individual agents. Price signals link the short and
long-run and there is no need to consider the two separately.
In international trade neoclassical economics offers a strong
theoretical prediction. The
theory of comparative advantage states that a country will export goods
intensive in its abundant factor, and import those intensive in its scarce
factor. For South Asia with a
relatively low area of land per person1 and abundant labour,
exports should principally comprise labour-intensive manufactured goods
rather than primary sector products.
Structural adjustment should see a shift in the composition of
production from capital-intensive import substituting industries2
to export-orientated labour-intensive industries. A well-documented and lauded example of such growth3
is the phenomenal expansion of the ready-made garment sector (RMG) in
Bangladesh. Exports were
negligible in 1979/80, by the late 1990s Bangladesh had become the twelfth
largest apparel exporter in the world, the RMG sector accounted for about 76%
of total export earnings. By the
late 1990s the industry employed 1.5m people, 90% of them women. The change is efficient from a
neoclassical perspective, the abundant resource (unskilled/ female labour)
has been re-allocated (rural-urban migration) in a rational response to price
incentives.
Efficiency
in neoclassical Economics
The neoclassical concept of efficiency is extremely narrow, this is
revealed in striking clarity by an examination of four well-used microeconomics
text-books4. In
general ‘efficiency’ gets only a passing mention and is entirely subsumed by
the concept of Pareto efficiency.
In Gravelle and Rees (1992) and Kreps (1990) efficiency is solely a
static concept concerned with the efficient level of output of public and
private goods, efficient risk sharing, solution to bargaining, the Edgeworth
Box, and Walrasian equilibrium5. In Mas-Colell (1995) efficiency gets six entries in the
index, the Pareto concept appears 76 times. Kreps (1990) doesn’t bother to separate them, “Efficiency,
see Pareto efficiency” (p824) notes the index, Pareto efficiency in its
various forms appears 26 times.
Also in Varian (1992) efficiency appears only as Pareto efficiency
(p225).
The necessary requirements for Pareto efficiency (Gravelle and Rees,
1992, p479-485) are ‘efficient consumption’, ‘efficient input supply’ and
‘efficient input use’ (production efficiency) and ‘efficient output mix’.
Theses are the “three types of efficiency embodied in a Pareto optimal exercise”
(Mas-Colell, 1995, p564). The
first is consumption efficiency,
where consumers have allocated their budgets to maximise their own well-being
(utility maximisation). The
marginal rate of substitution between any two goods equals their price ratio. The second is production efficiency, where producers cannot alter the ratio of
inputs to raise output or reduce the cost of a given volume of
production. The marginal rate of
technical substitution between any two inputs equals their price ratio. The final measure is aggregate output efficiency, where
resources are allocated simultaneously to achieve both production and
consumption efficiency. Where
for example in a society of bipeds an equal number of right and left shoes
are produced. Utility and profit
maximisation will ensure consumption efficiency and the efficient use of
inputs and composition of outputs.
Glancing again at the index in Gravelle and Rees (1992) at ‘dynamic’
reveals only a set of references that give more mathematical rigour to the
concept of static equilibrium.
By dynamic efficiency neoclassical economics means the existence,
stability and uniqueness of equilibrium. Dynamic analysis is shorn of any substance and asks simply
whether an economy in equilibrium (existence) subject to an exogenous shock
will return (stability) to its original position (unique). There are a few cases such as the
cobweb model which has a unique equilibrium but any deviation from which can
produce an explosive divergence of price and output, such are at most given
passing attention.
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