This paper uses the methodology of Hansen and Jaganathan (1991) to derive a lower bound on the correlation between any pair of asset returns under the hypothesis of complete markets. The bound is a simple function of the two assets' Sharpe ratios and the coefficient of variation of a unique...

This paper studies a banking industry subject to common and idiosyncratic shocks. We compare two types of regulatory closure rules: (1) an “absolute closure rule,” which closes banks when their asset–liability ratios fall below a given threshold, and (2) a “relative closure rule,”...

This paper uses Blanchard's (1985) model to study the relationship between budget deficits and trade deficits. The model is applied to annual post-war data from the U.S., Japan, and Germany. I find that in all three countries there is a significant link between trade deficits and budget...