Strategic Spillover Production, Vertical Organization, and Incentives for Research and Development, Unpublished Doctoral Dissertation, Alfred P. Sloan School of Management, Massachusetts Institute of Technology.

Harhoff, Dietmar (1991). Strategic Spillover Production, Vertical Organization, and Incentives for Research and Development, Unpublished Doctoral Dissertation, Alfred P. Sloan School of Management, Massachusetts Institute of Technology.