Moral Hazard and Adverse Selection: The Question of Financial Structure

  • Published: Apr 30, 2012
  • Pages: 501-513
  • DOI: 10.1111/j.1540-6261.1986.tb05051.x


This paper looks at the moral hazard and adverse selection problems confronting an entrepreneur offering securities to an uninformed, but competitive financial market. The adverse selection aspect of the problem is generated by the unobservable entrepreneur's ability to transform effort into value. Moral hazard arises because the investment decision is made subsequent to financing. We consider the joint use of both debt and equity, and characterize the equilibrium relation between capital structure and unobservable attributes. It is shown that: (1) investment and financing are not separable; (2) there is an underinvestment problem for “better” firms; and (3) simultaneous use of both debt and equity can resolve this difficulty. We also establish a connection between expected terminal firm value and debt‐promised payment level and between share retention and standard deviation.

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