OF CAMBRIDGE Cambridge Working Papers in Economics
نویسنده
چکیده
I study strategy-proof assignment mechanisms where the agents reveal their preference rankings over the available objects. A stochastic mechanism returns lotteries over deterministic assignments, and mechanisms are compared according to first-order stochastic dominance. I show that non-wasteful strategy-proof mechanisms are not dominated by strategy-proof mechanisms, however nonwastefulness is highly restrictive when the mechanism involves randomization. In fact, the Random Priority mechanism (i.e., the Random Serial Dictatorship), and a recently adopted school choice mechanism, Deferred Acceptance with Random Tie-breaking, are wasteful. I find that both these mechanisms are dominated by strategy-proof mechanisms. In general, strategy-proof improvement cannot be due to merely reshuffling objects, and therefore must involve assigning more objects.
منابع مشابه
Working Papers
Princeton University Princeton, NJ Ph.D. in Economics 2004-2008 Dissertation: “Essays on Beliefs: Elicitation, Updating, and Aggregation” Committee: Thomas Palfrey, Roland Benabou, Stephen Morris London School of Economics and Political Science London, UK M.Sc. in Economics 2003-2004 Massachusetts Institute of Technology Cambridge, MA S.B. in Brain and Cognitive Sciences 2000-2003 S.B. in Econo...
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