Human capital,as a synthesis of wisdom and physical fitness condensed in workers,is sometimes confused with technological innovation by existing literature.This paper makes comparisons between these two terminologies....Human capital,as a synthesis of wisdom and physical fitness condensed in workers,is sometimes confused with technological innovation by existing literature.This paper makes comparisons between these two terminologies.Technological innovation is a short-term activity that attaches importance to economic benefits while human capital accumulation is a long-term strategic process with lifelong benefits,and human capital is the foundation of technological innovation.In empirical part,this paper adopts Solow Residual Method to calculate stock,elasticity and growth rate of human capital of 10 countries after eliminating physical capital,labor force and technological innovation.It is found that human capital stock in the United States is the largest and human capital growth in China is the fastest.Calculation is followed by measurement.We construct a comprehensive index of human capital by using Index Weight Assignment Method and Two-level&Three-factor CES Function to measure and predict human capital level in China.Both calculating and measuring results show that growth rate of China’s human capital is around 5%.In the future,for high-quality economic development,China should give priority to human capital development and comprehensively improve human capital competitiveness.展开更多
Safety risks are essential to the success or failure of the large⁃scale complex projects.In order to assess and evaluate the safety risks of the large⁃scale complex projects scientifically,a risk assessment method of ...Safety risks are essential to the success or failure of the large⁃scale complex projects.In order to assess and evaluate the safety risks of the large⁃scale complex projects scientifically,a risk assessment method of work breakdown structure and risk breakdown structure(WBS⁃RBS)is proposed to identify the project risks.In this paper,interval numbers are used to evaluate the risk levels,weights are assigned automatically based on the complexity and risk degree of WBS to distinguish three types of nodes in WBS,and a risk assessment algorithm is designed to assess safety risk at all layers of the project.A case study is conducted to demonstrate how to apply the method.The results show the practicality,robustness and efficiency of our new method,which can be applied to different kinds of large⁃scale complex projects in reality.展开更多
文摘Human capital,as a synthesis of wisdom and physical fitness condensed in workers,is sometimes confused with technological innovation by existing literature.This paper makes comparisons between these two terminologies.Technological innovation is a short-term activity that attaches importance to economic benefits while human capital accumulation is a long-term strategic process with lifelong benefits,and human capital is the foundation of technological innovation.In empirical part,this paper adopts Solow Residual Method to calculate stock,elasticity and growth rate of human capital of 10 countries after eliminating physical capital,labor force and technological innovation.It is found that human capital stock in the United States is the largest and human capital growth in China is the fastest.Calculation is followed by measurement.We construct a comprehensive index of human capital by using Index Weight Assignment Method and Two-level&Three-factor CES Function to measure and predict human capital level in China.Both calculating and measuring results show that growth rate of China’s human capital is around 5%.In the future,for high-quality economic development,China should give priority to human capital development and comprehensively improve human capital competitiveness.
基金This paper was supported by National Social Science Foundation of China(2019⁃SKJJ⁃035)。
文摘Safety risks are essential to the success or failure of the large⁃scale complex projects.In order to assess and evaluate the safety risks of the large⁃scale complex projects scientifically,a risk assessment method of work breakdown structure and risk breakdown structure(WBS⁃RBS)is proposed to identify the project risks.In this paper,interval numbers are used to evaluate the risk levels,weights are assigned automatically based on the complexity and risk degree of WBS to distinguish three types of nodes in WBS,and a risk assessment algorithm is designed to assess safety risk at all layers of the project.A case study is conducted to demonstrate how to apply the method.The results show the practicality,robustness and efficiency of our new method,which can be applied to different kinds of large⁃scale complex projects in reality.
