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Sunspots in the Laboratory

By John Duffy and Eric O'N. Fisher

American Economic Review, June 2005

We show that extrinsic or nonfundamental uncertainty influences markets in a controlled environment. This work provides the first direct evidence of sunspot equilibria. These equilibria require a common understanding of the semantics of the sunspot variab...

Matching with Contracts

By John William Hatfield and Paul R. Milgrom

American Economic Review, September 2005

We develop a model of matching with contracts which incorporates, as special cases, the college admissions problem, the Kelso-Crawford labor market matching model, and ascending package auctions. We introduce a new "law of aggregate demand" for the case o...

Fairness and Redistribution

By Alberto Alesina and George-Marios Angeletos

American Economic Review, September 2005

Different beliefs about the fairness of social competition and what determines income inequality influence the redistributive policy chosen in a society. But the composition of income in equilibrium depends on tax policies. We show how the interaction bet...