This paper shows that the presence of different types of players { those who only care abouttheir own material payoffs and those who reciprocate others' contributions { can explain the robustfeatures of observed contribution patterns in public good contribution games, even without thepresence of...

In this paper we introduce the Online Recruitment System for Economic Experiments (ORSEE). With this software experimenters have a free, convenient and very powerful tool to organize their experiments and sessions in a standardized way. Additionally, ORSEE provides subject pool statistics, a...

05 the Boston School Committee voted to replace the existing Boston school choice mechanism with a deferred acceptance mechanism that simplifies the strategic choices facing parents. This paper presents the empirical case against the previous Boston mechanism, a priority matching mechanism, and...

[This item is a preserved copy. To view the original, visit http://econtheory.org/] Dispersion in retail prices of identical goods is inconsistent with the standard model of price competition among identical firms, which predicts that all prices will be driven down to cost. One common...