The paper argues that sellers sometimes impose exclusivity clauses on their buyers in order to prevent arbitrage between brands. In a duopoly model in which the sellers compete through fairly general long-term contracts, it is shown that common agency is always allowed whenever reselling can be...

In this study, one group of respondents is offered to purchase a safety device to be installed in their car, while another group is offered a public safety program (improved road quality) which results in the same size risk reduction. In terms of the value of a statistical life, our results are...