1Fung,M.K. "Are Knowledge Spillovers Driving the Convergence of Productivity Among Firms?"[J].ECONOMICA,2005,(72):28-305.
2Keith E.Maskus,Christine McDaniel. "Impacts of the Japanese Patent System on Productivity Growth"[J].JAPAN AND THE WORLD ECONOMY,1999,(11):557-574.
3Solow,R.M. " Technical Change and the Aggregate Production Function"[J].Review of Economics and Statistics,1957,(39):312-320.
4Yee Kyoung KimAppropriate,Keun Lee,Walter G.Park,Kineung Choo. "Intellectual Property Protection and Economic Growth in Countries at Different Levels of Development"[J].Research Policy,2012,(41):358-375.
