Objective To propose a method to identify the shortest catch-up path by using patent data based on the perspective of technology leapfrogging so as to provide a reference for the catch-up strategy formulation by the g...Objective To propose a method to identify the shortest catch-up path by using patent data based on the perspective of technology leapfrogging so as to provide a reference for the catch-up strategy formulation by the governments of the developing countries.Methods Firstly,the international patent classification(IPC)co-occurrence network was used to screen key technologies,and the TOP 5 countries and China were located from the aspects of technology life cycle and technological innovation capabilities.Next,the technology development path based on the ordered clustering algorithm and the main IPC number was set up.Finally,the Dijkstra algorithm was applied to identify the shortest catch-up path.Results and Conclusion Applying this method to the current biopharmaceutical industry with the most potential for development,the shortest catch-up paths are found in the selected C12N15,C07K14 and C12Q1 technology fields,proving the feasibility of the method.展开更多
Based on the endogenous technology progress framework for late-moving large countries,this paper simulates the effects of market size on technology progress path and technology catch-up,and finds that under the strate...Based on the endogenous technology progress framework for late-moving large countries,this paper simulates the effects of market size on technology progress path and technology catch-up,and finds that under the strategy of combining innovation with imitation,the increase of market size will restrain the convergence of economies towards technology frontier and deepen their reliance on imitation.Under the strategy of replacing imitation with innovation,there is a non-uniform U-shaped threshold effect for market size to influence technology progress path and catch-up,and the threshold for the shift of technology progress path lags behind that for technology catch-up.Hence,we should follow technology catch-up as the benchmark and timely adjust our innovation strategy to unleash the advantages of economies of scale for innovation.The innovation-driven development strategy is a choice compatible with China’s changing market size.However,since China remains in a transition from a super-large economy to a super-strong one,the contribution of innovation will decrease at first before increasing afterwards.展开更多
By introducing the logistic-like technology, the classical Solow-Swan model is extended to inquire the technological overflow and catch-up of the developing economy in this paper. The improved model is described by a ...By introducing the logistic-like technology, the classical Solow-Swan model is extended to inquire the technological overflow and catch-up of the developing economy in this paper. The improved model is described by a two-dimensional dynamical system. It is proved that the model has a unique equilibrium which is a sink and the solution of the equation is globally asymptotically stable. And the classical Solow-Swan model is a special case of the model given here. The economic growth patterns are discussed by phase portrait analysis at the end of this paper.展开更多
文摘Objective To propose a method to identify the shortest catch-up path by using patent data based on the perspective of technology leapfrogging so as to provide a reference for the catch-up strategy formulation by the governments of the developing countries.Methods Firstly,the international patent classification(IPC)co-occurrence network was used to screen key technologies,and the TOP 5 countries and China were located from the aspects of technology life cycle and technological innovation capabilities.Next,the technology development path based on the ordered clustering algorithm and the main IPC number was set up.Finally,the Dijkstra algorithm was applied to identify the shortest catch-up path.Results and Conclusion Applying this method to the current biopharmaceutical industry with the most potential for development,the shortest catch-up paths are found in the selected C12N15,C07K14 and C12Q1 technology fields,proving the feasibility of the method.
基金the National Social Science Fund of China (NSSFC) Youth Project “Study on the Evaluation, Comparison and Improvement Path of China’s Regional TFP under the Perspective of Suitable Technology Options”(Grant No. 17CJY002)
文摘Based on the endogenous technology progress framework for late-moving large countries,this paper simulates the effects of market size on technology progress path and technology catch-up,and finds that under the strategy of combining innovation with imitation,the increase of market size will restrain the convergence of economies towards technology frontier and deepen their reliance on imitation.Under the strategy of replacing imitation with innovation,there is a non-uniform U-shaped threshold effect for market size to influence technology progress path and catch-up,and the threshold for the shift of technology progress path lags behind that for technology catch-up.Hence,we should follow technology catch-up as the benchmark and timely adjust our innovation strategy to unleash the advantages of economies of scale for innovation.The innovation-driven development strategy is a choice compatible with China’s changing market size.However,since China remains in a transition from a super-large economy to a super-strong one,the contribution of innovation will decrease at first before increasing afterwards.
基金Supported by the National Natural Science Foundation of China (79970104)
文摘By introducing the logistic-like technology, the classical Solow-Swan model is extended to inquire the technological overflow and catch-up of the developing economy in this paper. The improved model is described by a two-dimensional dynamical system. It is proved that the model has a unique equilibrium which is a sink and the solution of the equation is globally asymptotically stable. And the classical Solow-Swan model is a special case of the model given here. The economic growth patterns are discussed by phase portrait analysis at the end of this paper.
