9Arrow, K. Economic Welfare and the AUocatiom of Resource for Invention [ A ]. In Douglas Needham (eds) : Reading in the Economics of Industrial Organization [ C ]. N. Y. : Holt, Rinehart and Winston Co. , 1970.
10Warda, Jacek. Tax Treatment of Business Investments in Intellectual Assets: An International Comparison [ EB/OL ]. Directorate for Science, Technology and Industry (DSTI) STI working paper, http: //www. oecd. org/dataoecd/53/4/36764076. pdf/2006 - 5 - 5.