4Baglieri, E. , V. Chiesa, A. Grando, and R. Manzini. 2001. Evaluating Intangible Assets: The Measurement of R&D Performance. Research Division Working Paper No. 01/49. A- vailable at SSRN: http://ssrn, corn/abstract = 278260 or ht- tp://dx, doi. org/lO. 2139/ssrn. 278260. 被引量：1
5Blank, R. M., and D. J. Kappos. 2012. Intellectual Property and the U. S. Economy: Industries in Focus. Availa- ble at http://www, uspto, gov/ip/of ficechiefecon/report ip_and the_us_economy, jsp. 被引量：1
6Clemins, P. J. 2011. Historical Trends in Federal R&D. R&D Report Issued by American Association for the Advance- ment of Science. Available at http://www, aaas. org/spp/rd. 被引量：1
7Kaplan, R. S., and D. P. Norton. 2004. Measuring the Strategic Readiness of Intangible Assets. Harvard Business Re- view, 82 (2) : 52 - 63. 被引量：1
8Lev, B. I. 2003. Remarks on the Measurement, Valua- tion, and Reporting of Intangible Assets. Economic Policy Re- view, 9 (3): 17 ~22. 被引量：1
9PatrickJ. Clemins. 2011. Historical Trends in Federal R&D. American Association for the Advancement of Science. 被引量：1
4BARTH M E,CLINCH G.Revalued financial tangible,and intangible assets:associations with share prices and non market-based value estimates[J].Social Science Electronic Publishing,1998,36(5):199-233. 被引量：1
5DAVID ABOODY,BARUCH LEV.The value relevance of intangibles:the case of software capitalization[J].Social Science Electronic Publishing,1998,36(5):161-191. 被引量：1
