This paper presents experimental evidence that contributions to a public good can bepath-dependent for a limited time span. We study a repeated linear public-good gamewith punishment opportunities. Our data shows that subjects who had experienced ahigher marginal return on public-good...

Using a symmetric 2-person prisoners’ dilemma as the base game, each playerreceives a signal for the number of rounds to be played with the same partner.The actual number of rounds (the length of the supergame) is determined bythe maximal signal where each player expects the other’s signal...