The aim of this paper is to analyse the influence of financial system liquidity and corporate leverage on a firm's overinvestment. We posit that when external funds are easily available, as in expansionary monetary periods, debt loses its traditional role as a managerial control mechanism....

We present a standard model of financial innovation, in which intermediaries engineer securities with cash flows that investors seek, but modify two assumptions. First, investors (and possibly intermediaries) neglect certain unlikely risks. Second, investors demand securities with safe cash...