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Magical Implementation
A principal needs to decide which of two parties deserves a prize. Each party privately observes the state of nature that determines which of them deserves the prize. The principal presents each party with a text that truthfully describes the conditions for deserving the prize and asks each of them what the state of nature is. The parties do not behave strategically and can lie by applying a cheating procedure which is known to the principal. We say that the principal “magically implements” his goal if he can come up with a pair of texts satisfying that in any dispute, he will recognize the cheater by applying the following rule: the truth is with the party satisfying that if his statement is true, then the other party (using the cheating procedure) could have cheated and made the statement he is making, but not the other way around. Several examples are presented to illustrate the concept
Date:
6 June 2025, 14:15
Venue:
Manor Road Building, Manor Road OX1 3UQ
Venue Details:
Seminar Room G
Speaker:
Ariel Rubinstein (Tel Aviv & NYU)
Organising department:
Department of Economics
Part of:
Nuffield Economic Theory Seminar
Booking required?:
Not required
Audience:
Members of the University only
Editor:
Edward Valenzano
