The problems of non-concave utility maximization appear in many areas of finance and economics, such as in behavior economics, incentive schemes, aspiration utility, and goal-reaching problems. Existing literature solves these problems using the concavification principle. We provide a framework...

Managers would like to understand which strategies generate value in e-commerce environments, and researchers are just beginning to explore this issue. Which strategies are useful and which are not? In a step towards answering this question, we estimate the impacts of several competitive...