We investigate how random luck in repeated variants of the risky investment game of Gneezy, Leonard, and List (2009); Gneezy and Potters (1997) influences risk-taking and discounting behavior in future risky prospects with probabilistic payouts one week, six, 12, and 24 months into the future....

Explicit and implicit incentives and opportunities for mutually beneficial voluntary cooperation co-exist in many contractual relationships. In a series of eight laboratory gift-exchange experiments, we show that incentive contracts can lead to crowding out of voluntary cooperation even after...

We experimentally examine how incentives affect conditional cooperation (i.e., cooperating in response to cooperation and defecting in response to defection) in social dilemmas. In our first study, subjects play eight Sequential Prisoner's Dilemma games with varying payoffs. We elicit second...