We review the changes in modelling strategy and econometric methodology when estimating a firm-level investment equation on panel data during the past twenty years, in order to assess which of these changes result from new estimation methods and changes in the practice of panel data...

Bronwyn H. Hall, Albert N. Link and John T. Scott. <BR> Keywords: private-public, industry-university, partnerships, Advanced Technology Program<BR> Universities are a key institution in the US innovation system and an important aspect of their involvement is the role they play in Private-Public...

The role of financial institutions and corporate governance in the conduct and performance of industrial firms, especially in the area of technological innovation and international competition has been hotly debated in the recent past. The results presented here are a contribution to the...

Is public R&D spending complementary and thus "additional" to private R&D spending, or does it substitute for and tend to "crowd out" private R&D? Conflicting answers are given to this question. We survey the body of available econometric evidence accumulated over the past 35 years. A framework...

JEL#: O32, L33<BR> Keywords: University-industry partnership, intellectual property, patents, research joint venture, Advanced Technology Program, RJV, ATP, IPR<BR> A small sample of 38 Advanced Technology Projects funded between 1993 and 1996 are surveyed to explore the reasons for university...

Bronwyn H. Hall, Adam Jaffe and Manuel Trajtenberg. <BR> JEL #: O31, O38<BR> Keywords: market value, patent citations, bibliometrics, innovation<BR> As patent data become more available in machine-readable form, an increasing number of researchers have begun to use measures based on patents and their...

This paper examines the patenting behavior of firms in an industry characterized by rapid technological change and cumulative innovation. Recent evidence suggests that semiconductor firms do not rely heavily on patents, despite the strengthening of US patent rights in the early 1980s. Yet the...