Jehiel, Philippe; Meyer-ter-Vehn, Moritz; Moldovanu, Benny - In: Journal of Economic Theory 147 (2012) 6, pp. 2439-2452
We study a notion of locally robust implementation that captures the idea that the planner may know agentsʼ beliefs well, but not perfectly. Locally robust implementation is a weaker concept than ex-post implementation, but we show that no regular allocation function is locally robust...