Many tests of asset pricing models address only the pricing predictions - but these pricing predictions rest on portfolio choice predictions which seem obviously wrong. This paper suggests a new approach to asset pricing and portfolio choices, based on unobserved heterogeneity. This approach...

Many tests of asset pricing models address only the pricing predictions — but these pricing predictions rest on portfolio choice predictions which seem obviously wrong. This paper suggests a new approach to asset pricing and portfolio choices, based on unobserved heterogeneity. This approach...

The possibility that asset markets could be strategically manipulated by large informed traders has fascinated social scientists and market observers for years. There is a well-known story of minions of Nathan Rothschild, who was thought to have the fastest carrier pigeons in London, selling...

In the last ten years theory (e.g., Fudenberg and Levine, 1998) and empirical data fitting have provided many ideas about how equilibria arise in games or markets. This short chapter describes a very general approach to learning in games: "experience-weighted attraction" (EWA) learning. This...

The proposed 2008 TARP auction was intended to facilitate rapid purchases by the U.S. department of Treasury of a wide array of mortgage-backed securities in order to remove these “toxic assets” from the portfolios of financially stressed banks. The Treasury had selected a Reference Price...

In Victoria, Australia individuals or firms wishing to proceed with development that involves the clearing of native vegetation are required to obtain an offset to replace the vegetation destroyed. This paper focuses on the design and testing of the electronic BushBroker exchange and the...

This paper develops a new experimental environment for the study of markets. The period structure of classical experimental markets, which is known to play an important role in the equilibration process, is replaced by an environment, in which incentives arrive randomly and continuously...