Costly verification in collective decisions

Albin Erlanson (albin.erlanson@essex.ac.uk) and Andreas Kleiner (andreas.kleiner@asu.edu)

Theoretical Economics, 2020, vol. 15, issue 3

Abstract: We study how a principal should optimally choose between implementing a new policy and maintaining the status quo when information relevant for the decision is privately held by agents. Agents are strategic in revealing their information; the principal cannot use monetary transfers to elicit this information, but can verify an agent's claim at a cost. We characterize the mechanism that maximizes the expected utility of the principal. This mechanism can be implemented as a cardinal voting rule, in which agents can either cast a baseline vote, indicating only whether they are in favor of the new policy, or they make specific claims about their type. The principal gives more weight to specific claims and verifies a claim whenever it is decisive.

Keywords: Collective decision; costly verification (search for similar items in EconPapers)
JEL-codes: D71 D82 (search for similar items in EconPapers)
Date: 2020-07-03
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Citations: View citations in EconPapers (10)

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