Several economists have maintained that social and internalized norms can enforce cooperation in public good situations. This experimental study investigates impacts of social and internalized norms for cooperation among strangers in a public good game. The experiment has two treatment effects....

Regulatory agencies frequently present violators with warnings, not pursuing prosecution if the violation ceases upon receipt of the warning. We show how such warnings may help regulators to keep control: Prosecution is costly for the regulator, and insufficient prosecution efforts yield low...

Several economists have maintained that social and internalized norms can enforce cooperation in public good situations. This experimental study investigates impacts of social and internalized norms for cooperation among strangers in a public good game. The experiment has two treatment effects....