| Appropriating the returns from industrial research and development RC Levin, AK Klevorick, RR Nelson, SG Winter, R Gilbert, Z Griliches Brookings papers on economic activity 1987 (3), 783-831, 1987 | 5590 | 1987 |
| Appropriating the returns from industrial research and development RC Levin, AK Klevorick, RR Nelson, SG Winter, R Gilbert, Z Griliches Brookings papers on economic activity 1987 (3), 783-831, 1987 | 5578 | 1987 |
| Appropriating the returns from industrial research and development RC Levin, AK Klevorick, RR Nelson, SG Winter, R Gilbert, Z Griliches Brookings papers on economic activity 1987 (3), 783-831, 1987 | 5578 | 1987 |
| Empirical studies of innovation and market structure WM Cohen, RC Levin Handbook of industrial organization 2, 1059-1107, 1989 | 2938 | 1989 |
| Empirical studies of innovation and market structure WM Cohen, RC Levin Handbook of industrial organization 2, 1059-1107, 1989 | 2938 | 1989 |
| On the sources and significance of interindustry differences in technological opportunities AK Klevorick, RC Levin, RR Nelson, SG Winter Research policy 24 (2), 185-205, 1995 | 2161 | 1995 |
| R & D appropriability, opportunity, and market structure: new evidence on some Schumpeterian hypotheses RC Levin, WM Cohen, DC Mowery The American economic review 75 (2), 20-24, 1985 | 1049 | 1985 |
| Firm size and R&D intensity: A re-examination WM Cohen, RC Levin, DC Mowery National Bureau of Economic Research, 1987 | 959 | 1987 |
| Cost-reducing and demand-creating R&D with spillovers RC Levin, PC Reiss National Bureau of Economic Research, 1989 | 613 | 1989 |
| Tests of a Schumpeterian model of R&D and market structure R Levin, PC Reiss R&D, patents, and productivity, 175-208, 1984 | 505 | 1984 |
| Winter. 1987.“Appropriating the Returns from Industrial Research and Development.” RC Levin, AK Klevorick, RR Nelson, G Sidney Brookings Papers on Economic Activity 3, 783-820, 1987 | 415 | 1987 |
| Appropriability, R&D spending, and technological performance RC Levin The American Economic Review 78 (2), 424-428, 1988 | 410 | 1988 |
| The multiple plot in English renaissance drama RL Levin (No Title), 1971 | 221 | 1971 |
| A patent system for the 21st century R Levin Issues in Science and Technology 20 (4), 49-54, 2004 | 216 | 2004 |
| The semiconductor industry RC Levin Government and Technical Progress: A cross-industry analysis 9, 76-77, 1982 | 210 | 1982 |
| A new look at the patent system RC Levin The American Economic Review 76 (2), 199-202, 1986 | 197 | 1986 |
| New Readings vs. Old Plays: Recent Trends in the Reinterpretation of English Renaissance Drama R Levin University of Chicago Press, 1979 | 162 | 1979 |
| Allocation in surface freight transportation: does rate regulation matter? RC Levin The Bell Journal of Economics, 18-45, 1978 | 156 | 1978 |
| Survey research on R&D appropriability and technological opportunity R Levin, A Klevorick, R Nelson, S Winter Unpublished manuscript (Yale University, New Haven, CT), 1984 | 152 | 1984 |
| Patents in the knowledge-based economy WM Cohen, SA Merrill, National Research Council National Academies Press, 2003 | 142 | 2003 |
Sidney G. WinterProfesor of Management, Emeritus, The Wharton School, U. of PennsylvaniaVerified email at wharton.upenn.edu
