Valuation effects of patent quality: A comparison for Japanese and U.S. firms

Austin, 1993, An event-study approach to measuring innovative output: the case of biotechnology, American Economic Review, 83, 253 Bernstein, 1998, International R&D spillovers between U.S. and Japanese R&D intensive sectors, Journal of International Economics, 44, 315, 10.1016/S0022-1996(97)00026-3 Bierly, 1996, Determinants of technology cycle time in the U.S. pharmaceutical industry, R&D Management, 26, 115, 10.1111/j.1467-9310.1996.tb00936.x Chan, 1990, Corporate research and development expenditures and share value, Journal of Financial Economics, 26, 255, 10.1016/0304-405X(90)90005-K Chauvin, 1993, Advertising, R&D expenditures and the market value of the firm, Financial Management, 22, 128, 10.2307/3665583 Chung, 1994, A simple approximation of Tobin's q, Financial Management, 23, 70, 10.2307/3665623 Cincera, 1997, Patents, R&D, and technological spillovers at the firm level: Some evidence from econometric count models for panel data, Journal of Applied Econometrics, 12, 265, 10.1002/(SICI)1099-1255(199705)12:3<265::AID-JAE439>3.0.CO;2-J Cockburn, 1988, Industry effects and appropriability measures in the stock market's valuation of R&D and patents, American Economic Review, 78, 419 Connolly, 1988, Market value and patents: A Bayesian approach, Economics Letters, 27, 83, 10.1016/0165-1765(88)90224-8 Griliches, 1990, Patent statistics as economic indicators: A survey, Journal of Economic Literature, 28, 1661 Hall, 1986, Patents and R&D: Is there a log?, International Economic Review, 27, 265, 10.2307/2526504 Kortum, 1993, Equilibrium R&D and the patent–R&D ratio: U.S. evidence, American Economic Review, 83, 450 Lerner, 1994, The importance of patent scope: An empirical analysis, Rand Journal of Economics, 25, 319, 10.2307/2555833 Lerner, 1995, Patenting in the shadow of competitors, Journal of Law and Economics, 38, 463, 10.1086/467339 Hiraoka, 1998, The industrial policies of the USA and Japan, International Journal of Technology Management, 15, 526, 10.1504/IJTM.1998.002629 Kim, 1996, The information content of productivity measures: An international comparison, Journal of International Financial Management and Accounting, 7, 167, 10.1111/j.1467-646X.1996.tb00070.x Lee, 1997, A comparative analysis of layoff announcements and stock price reactions in the United States and Japan, Strategic Management Journal, 18, 879, 10.1002/(SICI)1097-0266(199712)18:11<879::AID-SMJ929>3.0.CO;2-V Narin, 1995, Patents as indicators for the evaluation of industrial research output, Scientometrics, 34, 489, 10.1007/BF02018015 Narin, 1997, The increasing linkage between U.S. technology and public science, Research Policy, 26, 317, 10.1016/S0048-7333(97)00013-9 Ohlson, 1995, Earnings, book values, and dividends in equity valuation, Contemporary Accounting Research, 11, 661, 10.1111/j.1911-3846.1995.tb00461.x Schankerman, 1998, How valuable is patent protection? Estimates by technology field, Rand Journal of Economics, 29, 77, 10.2307/2555817 Sundaram, 1996, An empirical analysis of strategic competition and firm values: The case of R&D competition, Journal of Financial Economics, 40, 459, 10.1016/0304-405X(95)00853-7 Trajtenberg, 1990, A penny for your quotes: Patent citations and the value of innovations, Rand Journal of Economics, 21, 172, 10.2307/2555502 Wakasugi, 1997, R&D, firm size and innovation outputs: Are Japanese firms efficient in product development?, Journal of Product Innovation Management, 14, 383, 10.1016/S0737-6782(97)00028-3