A Dynamic Count Data Analysis of University Ag-Biotech Patents
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[1] R. Blundell,et al. Market share, market value and innovation in a panel of British manufacturing firms , 1999 .
[2] Bradford L. Barham,et al. UNIVERSITIES AND AGRICULTURAL BIOTECHNOLOGY PATENT PRODUCTION , 2000 .
[3] P. Pardey,et al. Making Science Pay: The Economics of Agricultural R&D Policy , 1996 .
[4] Bradford L. Barham,et al. Trends in University Ag-Biotech Patent Production , 2002 .
[5] Z. Griliches,et al. Econometric Models for Count Data with an Application to the Patents-R&D Relationship , 1984 .
[6] M. Trajtenberg. A Penny for Your Quotes : Patent Citations and the Value of Innovations , 1990 .
[7] G. Moschini,et al. Intellectual Property Rights and the Welfare Effects of Agricultural R…D , 1997 .
[8] Daniel E. Massing,et al. AUTM Licensing Survey , 1996 .
[9] V. Santaniello. Agriculture and Intellectual Property Rights: Economic, Institutional and Implementation Issues in Biotechnology , 2000 .
[10] W. Huffman,et al. Economic Principles and Incentives: Structure, Management, and Funding of Agricultural Research in the United States , 1992 .
[11] J. T. Wulu,et al. Regression analysis of count data , 2002 .
[12] David Zilberman,et al. Agricultural Biotechnology: Economic and International Implications , 1997, Food Security, Diversification and Resource Management: Refocusing the Role of Agriculture?.
[13] Andrew P. Griffith,et al. AGRIBUSINESS , 1977, The Lancet.