Extreme losses are the major concern in risk management. The dependence between financial assets and the market portfolio changes under extremely adverse market conditions. We develop a measure of systematic tail risk, the tail regression beta , defined by an asset's sensitivity to large...

This paper considers the problem of estimating a linear model between two heavy-tailed variables if the explanatory variable has an extremely low (or high) value. We propose an estimator for the model coefficient by exploiting the tail dependence between the two variables and prove its...

This paper estimates the relation between bank profitability and economic downturns using a theoretical model that takes into account the bank's lending history as well as amortization and losses on outstanding loans. We focus on total bank profits and its components: net interest income, other...