We study optimal information disclosure via an ambiguous persuasion approach in a two-player contest. The designer can precommit to an ambiguous device to influence the uninformed contestant's belief about his opponent's private type. We fully characterize the optimal ambiguous information...

This paper provides a different approach to establish the uniqueness of equilibrium in Tullock con- tests between two players with asymmetric valuations, when the discriminatory power r is between 1 and 2. Our result complements that of Ewerhart (2017) in Ölling up the remaining gap in the...

This paper studies effort-maximizing prize designs in team contests with an arbitrary number of pairwise battles. The organizer rewards the teams contingent on battle outcomes subject to budget balance constraints. Our analysis fully accommodates heterogeneities across players and battles. We...