Investment Banks invest in R&D to design innovative securities even when imitation is possible, i.e., when innovations cannot be patented. We show how a financial institution can profit from the development of financial products even if they are unpatentable. For certain types of financial...

Investment banks imitate other banks innovative corporate securities with their own varieties, and compete with the innovator to underwrite new issues. This paper uses data of all the corporate offerings of Equity-Linked and Derivative Securities from the SDC records to estimate the issuers...

This paper introduces state dependent utility into the standard Mehra and Prescott (1985) economy by allowing the representative agents coefficient of relative risk aversion to vary with the underlying economys growth rate. Existence of equilibrium is proved and its asymptotic properties...