We use a novel experimental design to identify the subjects' strategies in an infinitely repeated prisoners' dilemma … experiment. We ask subjects to design strategies that will play in their place. We find that eliciting strategies has negligible … effects on their behavior, supporting the validity of this method. We find the chosen strategies include some common ones such …

We study spatially differentiated competition between charities by partnering with two foodbanks in two neighboring … spatially differentiated competition is characterized by sorting, crowding-in, and an absence of spillovers: Donors sort …