In this paper, the Conditional Value-at-Risk (CVaR) is adopted to measure the total loss of multiple lines of insurance business and two nonparametric estimation methods are introduced to explore the optimal multivariate quota-share reinsurance under a mean-CVaR framework. While almost all the...

We investigate two alternative explanations why men may hold more stocks than women. Apart from a gender difference in risk aversion, gender differences in either optimism or in perceived risk of financial markets might cause men to hold more risky assets. Our results show that men tend to be...

Recommender systems often recommend several products to a user at the same time, but with little consideration of the relationships among the recommended products. We argue that relationships such as substitutes and complements are crucial, since the utility of one product may depend on whether...