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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...

The Market for News

By Sendhil Mullainathan and Andrei Shleifer

American Economic Review, September 2005

We investigate the market for news under two assumptions: that readers hold beliefs which they like to see confirmed, and that newspapers can slant stories toward these beliefs. We show that, on the topics where readers share common beliefs, one should no...