Inroduction, An Overview of the NBER's Research Project on The Changing Roles Debt and Equity in Financing U.S. Capital Formation

Benjamin M. Friedman, The Changing Roles of Debt and Equity in Financing U.S. Capital Formation (University of Chicago Press, 1982), https://www.nber.org/books-and-chapters/changing-roles-debt-and-equity-financing-us-capital-formation/inroduction-overview-nbers-research-project-changing-roles-debt-and-equity-financing-us-capital.