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Advocates of the Austrian tradition often defend the lack of formal modeling and the corresponding absence of formal efficiency theorems: The market … - Joseph E. Stiglitz
" "Advocates of the Austrian tradition often defend the lack of formal modeling and the corresponding absence of formal efficiency theorems: The market economy is an organic process, too complicated to be reduced to the simplistic formal models. The job of the economists is to describe this organic process and to see the kinds of impediments that the absence of a legal structure, on the one hand, or excessive government intervention, on the other, might impose for it. But while they may not resort to, or even like, the standard welfare criterion of Pareto optimality, there are strong normative overtones in their discussions. Darwin may have thought that he was simply describing the evolutionary process when he asserted that it resulted in the survival of the fittest, but such statements require a definition of the "fittest" and an analysis of the general equilibrium, dynamic properties of the system. Today we recognize that evolutionary processes, under a wide variety of circumstances, may not possess "efficiency" properties.
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About Joseph E. Stiglitz
Joseph Eugene Stiglitz (born February 9, 1943) is an American economist and author. He is the winner of the John Bates Clark Medal in 1979 and the Nobel Memorial Prize in Economics in 2001, which he shared with George Akerlof and Michael Spence. Stiglitz previously served as Chief Economist of the World Bank between 1997 and 2000.
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Joseph Eugene Stiglitz
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Joseph Stiglitz
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Additional quotes by Joseph E. Stiglitz
At the core of the success of market economies are competition, markets, and decentralization. It is possible to have these, and for the government to still play a large role in the economy; indeed it may be necessary for the government to play a large role if competition is to be preserved. There has recently been extensive confusion over to what to attribute the East Asian miracle, the amazingly rapid growth in countries of this region during the past decade or two. Countries like Korea did make use of markets; they were very export oriented. And because markets played such an important role, some observers concluded that their success was convincing evidence of the power of markets alone. Yet in almost every case, government played a major role in these economies. While Wade may have put it too strongly when he entitled his book on the Taiwan success Governing the Market, there is little doubt that government intervened in the economy through the market.
But while Keynes as well as the subsequent research in new Keynesian economics has provided an explanation for both unemployment and economic volatility while it has attempted to identify precisely what is wrong with the Arrow-Debreu model that can account for these observations there was another message of Keynes that was clearly heard: The macroeconomic ills of capitalism were curable. One didn't need to institute fundamental reforms in the economic system. One only needed selective government intervention. It is in this sense that Keynesian economics greatly weakened the case for market socialism.
The standard neoclassical model the formal articulation of Adam Smith's invisible hand, the contention that market economies will ensure economic efficiency provides little guidance for the choice of economic systems, since once information imperfections (and the fact that markets are incomplete) are brought into the analysis, as surely they must be, there is no presumption that markets are efficient.
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