condemnation of this practice has been the court's belief in what has come to be known as the "leverage theory" of tying: that is … power to foreclose sales in, and thereby monopolize, a second market. In recent years, however, the leverage theory has come … used by the critics of the leverage theory which all assume that the tied good market has a competitive, constant returns …

Short-rebate fees are a strong predictor of the cross-section of stock returns, both gross and net of fees. We document …

themselves, social comparisons and loss framing have no significant impact on the number of rebate requests; when combined …