We study the effect of demand structure on the ability of subjects to tacitly collude on prices by considering Bertrand substitutes and Bertrand complements. We find evidence of collusion in the complements treatment, but no such evidence is found in the substitutes treatment. This finding is...

The danger of alcohol- and drug-impaired driving implies that policies that reduce substance abuse can save lives. We study this issue in small U.S. counties where access to substance abuse treatment can be measured directly through the presence of treatment facilities. We find that placing an...

This paper presents a classroom game in which students trade pollution permits. By changing the distribution of permits across firms, the game shows students how the allocation of property rights determines the winners and losers in the permit trading system but does not affect the efficiency of...

This paper describes a simple classroom experiment in which students decide which projects to fund on the basis of majority voting. Several agendas are used to generate a voting cycle and an inefficiently high level of public spending. Classroom discussion allows students to discover for...

This article presents a classroom game in which students choose whether or not to comply with pollution regulations. By varying the level of monitoring and fines for noncompliance, the game shows students how the probability and severity of enforcement affects incentives for compliance. The game...