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econ.TH2021★ 1 cited
On the Approximate Purification of Mixed Strategies in Games with Infinite Action Sets
Yuhki Hosoya, Chaowen Yu
We consider a game in which the action set of each player is uncountable, and show that, from weak assumptions on the common prior, any mixed strategy has an approximately equivale…
econ.TH2021
An Axiom for Concavifiable Preferences in View of Alt's Theory
Yuhki Hosoya
We present a necessary and sufficient condition for Alt's system to be represented by a continuous utility function. Moreover, we present a necessary and sufficient condition for t…