Interactions between players with private information and opposed interests are often prone to bad advice and inefficient outcomes, e.g. markets for financial or health care services. In a deception game we investigate experimentally which factors could improve advice quality. Besides advisor...

An important aspect in determining the effectiveness of gift exchange relations in labor markets is the ability of the worker to repay the gift to the employer. To test this hypothesis, we conduct a real effort laboratory experiment where we vary the wage and the effect of the worker's effort on...

We conduct a field experiment where we vary both the presence of a gift exchange wage and the effect of the worker's effort on the manager's payoff. The results indicate a strong complementarity between the initial wage gift and the agent's ability to repay the gift. We collect information on...