The aim of this dissertation is the behavioral portfolio selection problem in which risk is measured as the probability of shortfall. Using behavioral elements, such as mental accounting, and emotions and cognition, this dissertation investigates empirical issues related to behavioral asset...

We study the problem of modeling purchase of multiple items and utilizing it to display optimized recommendations, which is a central problem for online e-commerce platforms. Rich personalized modeling of users and fast computation of optimal products to display given these models can lead to...

An uninformed sender designs a mechanism that discloses information about her type to a privately informed receiver, who then decides whether to act. I impose a single-crossing assumption, so that the receiver with a higher type is more willing to act. Using a linear programming approach, I...