Risk managers use portfolios to diversify away the unpriced risk of individual securities. In this article we compare the benefits of portfolio diversification for downside risk in case returns are normally distributed with the case of fat-tailed distributed returns. The downside risk of a...

This paper tests for the long-term and short-term relationships between fertility and relative cohort size for the United States using the annual time series data between 1913 and 2001. An error correction model, imbedded with the cointegration theory, is coupled with the general impulse...

Regulatory change not seen since the Great Depression swept the U.S. banking industry beginning in the early 1980s and culminated with the Interstate Banking and Branching Efficiency Act of 1994. This article examines whether deregulation affected new charter (birth), failure (death), and merger...