In traditional portfolio theory, risk management is limited to the choice of the relative weights of the riskless asset and a diversified basket of risky securities, respectively. Yet in industry, risk management represents a central aspect of asset management, with distinct responsibilities and...

This paper shows that long debt maturities eliminate equityholders' incentives to reduce leverage when the firm performs poorly. By contrast, short debt maturities commit equityholders to such leverage reductions. However, shorter debt maturities also lead to higher transactions costs when...