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Verifiability and Effective Persuasion

N. Cabau & M. Li

Microeconomics Seminar 2022-2023
joint with the Département de sciences économiques, Université de Montréal
room C-6070-9 (U. de Montréal, Pavillon Lionel-Groulx, 3150, rue Jean-Brillant)
Organizer : Lars Ehlers (U. of Montreal)


ABSTRACT : We investigate the relationship between the verifiability of statements and effective persuasion when multiple experts advise a decision maker. We extend the model of Wolinsky [2002] and show that it is possible for experts to fully reveal information to the decision maker when the verifiability goes in the direction of the experts’ common bias. Our finding complements Wolinsky’s negative result on effective persuasion. We also characterize equilibria that experts prefer to both fully revealing equilibria and uninformative equilibria.

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