3Nakamura, L., 2003, A Trillion Dollar a Year in Intangible Investment and the New Economy, published in the book "Intangible Assets:Values,Measures and Risks" ,Oxford University Press,2003 ,compiled by Professors Hand,John Hand,and Baruch Lev, 1-47.
4Lev, B., and Sougiannis, T., 1996, The Capitalization, Amortization,and Value-relevance of R&D,Journal of Accounting and Economics 21:107-38.
5Hsieh, P., Minshra, C. S., and Cobeli, D. H.,2003,The Return on R&D Versus Capital Expenditures in Pharmaceutical and Chemical Industries,IEEE Transactions on Engineering Management,Vol.50,No. 2, 141-149.
6Hand, J., 2003, The Increasing Returns-to-Scale of Intangibles, published in the book"Intangible Assets: Values, Measures and Risks" ,Oxford University Press, 2003, compiled by Professors Hand, John Hand, and Baruch Lev, 303-331.
7Boone, J. and Raman, K. K., 2001, Off-balance sheet R&D assets and market liquidity,Journal of Accounting and Public Policy, 20: 97-128.
8Aboody, D. and Lev, B.,2000, Information Asymmetry R&D and Insider Gains, The Journal of Finance, 55(6): 2747-66.
9Hall, Bronwyn H., 2002, The Financing of Research and Development, Nber Working Paper Series, 1-34.
10Chan, Louis K. C., Lakonishok and Sougiannis,T.,2003 ,The Stock Market Valuation of Research and Development Expenditure,published in the book "Intangible Assets: Values,Measures and Risks", 387-414.
