This note documents Aumann's reason for omitting the "empty shells" argument for the common prior assumption from the final version of "Correlated Equilibrium as an Expression of Bayesian Rationality." It then continues to discuss the argument and concludes that rational entities cannot learn...

Both rematching proof and strong equilibrium outcomes are stable with respect to the true preferences in the marriage problem. We show that not all rematching proof or strong equilibrium outcomes are stable in the college admissions problem. But we show that both rematching proof and strong...

Tradable permits are celebrated as a political instrument since they allow (i) firms to equalize marginal abatement costs through trade and (ii) the government to distribute the burden of the policy in a politically fair and feasible way. These two concerns, however, conflict in a dynamic...

: The paper provides a model where authority relationships are founded on reputation. The viability of authority is the result of subordinates' free-riding on each other challenges, reducing the frequency of challenges, and making reputations worth defending. The party with authority secures...

The role of agricultural productivity in economic development is addressed in a two-sector model of endogenous growth in which a) preferences are non-homothetic and income elasticity of demand for the agricultural good is less than unitary, and b) the engine of growth is learning-by-doing in the...

This paper considers basic constitutional questions about how to elect a legislature. Electoral systems that require blocks of voters to coordinate their votes create a need for pre-election leadership and raise barriers to entry against new parties. Such barriers to entry can rigidity the...

Although psychologists view bonuses and penalties as very different means of providing incentives for workers, economists have had less success at making sense of the distinction. A rational worker should be indifferent as to whether a payment scheme is called a bonus or a penalty plan if the...