Experiments on choice under risk typically involve multiple decisions by individual subjects. The choice of mechanism for selecting decision(s) for payoff is an essential design feature that is often driven by appeal to the isolation hypothesis or the independence axiom. We report two...

We investigate how locus of control beliefs - the extent to which individuals attribute control over events in their life to themselves as opposed to outside factors - affect prosocial behavior and the private provision of public goods. We begin by developing a conceptual framework showing how...

We develop, and experimentally test, models of informal agreements. Agents are assumed to be honest but suffer costs of overcoming temptations. We extend two classical bargaining solutions -- split-the-difference and deal-me-out -- to this informal agreement setting. For each solution there are...