beaten by any strategy. We provide necessary and sufficient conditions for imitation to be unbeatable in the sense that there … is no strategy that can exploit imitation as a money pump. In particular, imitation is subject to a money pump if and … condition for imitation not being subject to a money pump is that the relative payoff game is a generalized ordinal potential …

In an experiment using two-bidder first-price sealed bid auctions with symmetric independent private values, we …

We show in a public goods experiment on three continents that conditional cooperation is a universal behavioral ….S.A. than anywhere else. -- conditional cooperation ; public goods ; experiment …

prediction is tested experimentally. In an online experiment that was conducted during the FIFA World Cup 2010 participants were …

induce experimenter demand effects. In a Cournot oligopoly experiment we explore whether control questions influence subjects …

testosterone, estradiol, progesterone, and cortisol in more than 200 subjects. Females bid significantly higher and earn …. Surprisingly, we have null findings for testosterone as well as estradiol and cortisol. Controlling for risk aversion does not … behavior (i.e., weakly dominated bids). -- Hormones ; Testosterone ; Estradiol ; Progesterone ; Cortisol ; Steroids ; Auctions …