no abstract available.

Tournament incentive schemes offer payments dependent on relative performance and are intended thereby to motivate agents to exert productive effort. Unfortunately, however, an agent may also be tempted to degrade the production of his competitors in order to improve the own relative position....

Withdrawal rights protect buyers in distance selling, for example when ordering via the Internet. After introducing such a law in Germany the proportion of returned goods drastically increased although most sellers had already offered a return option before. We experimentally investigate...