The common prior assumption asserts that the beliefs of agents in different states of theworld are their posteriors based on a common prior and possibly some private signal. Commonpriors are pervasive in most economic models of incomplete information, oligopoly models withasymmetrically informed...

The paper presents a linear model of product quality in scientific competition.The only outputs of research are published papers; the onlyinputs are labor and papers by other researchers, which are cited whenused. Researchers compete for status, measured as their rank in a citationscount. If...

We present a model where compensation within a workteam is determinedendogenously by the use of a rank-order tournament. Team memberscompete in their efforts for the right to propose the distribution of a prizewithin the team. The implementation of a proposal requires the approvalof other team...

A vast literature shows that individuals frequently fail to identify the normative solutionsin logical reasoning tasks. Much attention has been devoted to the study ofthese deviations at the individual level; less effort was exerted to investigate whetherinstitutional settings might facilitate...

All rulers face political competition, both from rivals within their state, andfrom other states to which their subjects may exit. In a simple model, both kinds of competitionare substitutes. Internal competition (democracy) benefits citizens by allowingthem to replace rent-seeking rulers. But...

Agents compete to acquire a limited economic opportunity of uncertain pro…tability.Each agent decides how much he acquires public signals before making investmentunder fear of preemption. I show that equilibria have various levels of e¢ ciency undermild competition. The e¤ect of competition...