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| 1 | Exit,entry,growth and innovation over the product life cycle显示文摘 | | 1996 | American Economic Review1996，86，3： | 1 |
| 2 | Firm size and the nature of innovation within industries:the case of process and product R&D显示文摘 | Cohen W M Klepper S | 1996 | The Review of Economics and Statistics1996，78，2： | 1 |
| 3 | Entry,Exit, Growth, and Innovation over the Product Life Cycle显示文摘 | KLEPPER S | 1996 | The American Eccnomic Review1996，，3： | 1 |
| 4 | Entry, Exit Growth and innovation over the Product life cycle 显示文摘 | Klepper S | 1996 | American Economic Review1996，86，3： | 1 |
| 5 | Entry, Exit, Growth and Innovation Over the Product Life Cycle 显示文摘 | Klepper S | 1996 | The American Econcetie Review1996，，3： | 1 |
| 6 | The Anatomy of Industry R&D Intensity Distributions 显示文摘 | Cohen WM Klepper S | 1992 | American Economic Review1992，82，： | 1 |
| 7 | The anatomy of industry of R&D intensity distribution显示文摘 | COHEN W M KLEPPER S | 1992 | American Economics Review1992，，82： | 1 |
| 8 | Time Paths in the Diffusion of Product Innovation显示文摘 | Gort M Klepper S | 1982 | The Economic Journal1982，92，367： | 1 |
| 9 | The anatomy of industry R&D intensity distributions显示文摘 | COHEN W M KLEPPER S | 1992 | American Economic Review1992，，： | 1 |
| 10 | Firm size and the nature of in- novation within industries: The case of process and pro- duct R&D显示文摘 | Cohen W M Klepper S | 1996 | Review of Economics and Statistics1996，78，2： | 1 |
| 11 | Time Paths in the Diffusion of Product Innovations 显示文摘 | M Gort S Klepper | 1981 | Economic Journal1981，92，367： | 1 |
| 12 | A Reprise of Size and R & D显示文摘 | Cohen W M Klepper S | 1996 | The Economic Journal1996，106，437： | 1 |
| 13 | Entry, Exit,Growth, and Innovation over the Product Life Cycle显示文摘 | KLEPPER S | 1996 | The American Economic Review1996，86，3： | 1 |
| 14 | Disagreements and intra- industry spinoffs 显示文摘 | Klepper S Thompson P | 2010 | International Journal of Industrial Organization2010，28，5： | 1 |
| 15 | Predicting obstructive coronary artery disease with serum sphingosine-1-phosphate 显示文摘 | Deutschman D H Carstens J S Klepper R L | 2003 | Am Heart J2003，146，： | 1 |
| 16 | A reprise of size and R&D显示文摘 | COHENW M KLEPPER S | 1996 | Economic Journal1996，106，437： | 1 |
| 17 | Calcium influx and activation of Calpain Ⅰ mediate acute reactive Gliosis in injured spinal cord显示文摘 | Du S Rubin A Klepper S | 1999 | Expe Neuro1999，157，： | 1 |
| 18 | The Evolution of New Industries and the Determinants of Market Structure显示文摘 | Klepper S Graddy E | 1990 | Rand Journal of Econom- ics1990，，21： | 1 |
| 19 | Time Paths in the Diffusion of Product Innovations显示文摘 | Gort M Klepper S | 1982 | Economic Journal1982，92，367： | 1 |
| 20 | Time paths in the diffusion of product innovations显示文摘 | Gort M Klepper S | 1982 | The Economic Journal1982，92，367： | 1 |
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