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 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...