This paper presents data from experiments with a linear voluntary contributions mechanism for public goods conducted in Japan, the Netherlands, Spain and the USA. The same experimental design was used in the four countries. Our 'contribution function' design allows us to obtain a more complete...

Competition between groups is ubiquitous in social and economic life, and groups are typically not created equal. Here we experimentally investigate the implications of this general observation on the unfolding of symmetric and asymmetric competition between groups that are either homogeneous or...

This brief considers the interaction between physician incentive systems and product market competition in the delivery of medical services via managed care organizations. At the center of the analysis is the process by which health maintenance organizations (HMOs) assemble physician networks...

This brief considers the interaction between physician incentive systems and product market competition in the delivery of medical services via managed care organizations. At the center of the analysis is the process by which health maintenance organizations (HMOs) assemble physician networks...