In this study, we have investigated empirically the effects of market properties on the degree of diversification of investment weights among stocks in a portfolio. The weights of stocks within a portfolio were determined on the basis of Markowitz's portfolio theory. We identified that there was...

Once a product has been evaluated for use, the circumstances can change and it must be reevaluated for use at a different time. Four experiments investigated processes underlying these reevaluations. Participants received information about a product that had implications for both desirability...

Prior studies often examine the association between performance and various measures of incentive strength. We argue that target difficulty is another important but often overlooked driver of managerial performance. Using data on earnings targets in annual bonus plans, we construct and validate...