We examine some of the factors that might influence the quality of information produced in discussion groups on the internet, such as USENET and the WELL. In particular, we look at the impact of various different pricing structures, and compare regimes in which anonymity is enforced with regimes...

We investigate strategic information transmission with communication error, or noise. Our main finding is that adding noise can improve welfare. With quadratic preferences and a uniform type distribution, welfare can be raised for almost every bias level by introducing a sufficiently small...

We used an experimental game to determine whether people imitate restaurant choice, reciprocate food gifts, and thus spread health choices. We randomly paired 138 subjects and recorded their decision to give or keep restaurant vouchers and their choice of restaurant. The majority (83.3%) chose...

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Concern about asymmetric information in markets for consumer goods and services has focused on product-attribute information. We highlight the importance of another category of information--product-use information. In important markets, sellers have better information about how a consumer will...

We examine some of the factors that might influence the quality of information produced in discussion groups on the internet, such as USENET and the WELL. In particular, we look at the impact of various different pricing structures, and compare regimes in which anonymity is enforced with regimes...

In a seminal paper, Aumann (1987, Econometrica 55, 1–18) showed how the choices of rational players could be analyzed in a unified state space framework. His innovation was to include the choices of the players in the description of the states, thus abolishing Savage’s (1954, The...