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...

This paper introduces a formulation of the optimal network compression problem for financial systems. This general formulation is presented for different levels of network compression or rerouting allowed from the initial inter-bank network. We prove that this problem is, generically, NP-hard....