Building a unified national market serves as a fundamental support and intrinsic requirement for creating a new development pattern and pursuing high-quality economic development.This paper examines the impact of exte...Building a unified national market serves as a fundamental support and intrinsic requirement for creating a new development pattern and pursuing high-quality economic development.This paper examines the impact of external demand shocks and domestic market segmentation on China's economic growth and economic structure.It further discusses the potential role of establishing a unified national market in promoting the high-quality development of China's economy.Based on the dynamic quantitative spatial general equilibrium model,this paper characterizes the relationships among external demand shocks,market segmentation,economic growth,and economic structure within a unified theoretical framework.lt accounts for major macroeconomic phenomena observed in China before and after the 2008 global financial crisis,such as the initial rise and subsequent decline in the economic growth rate and the transition from imbalance to balance in industrial structure,income distribution structure,and consumption-saving structure.The study finds that domestic market segmentation exacerbates the negative effects of shrinking external demand on economic growth and economic structure,while a unified national market can reduce the extent of decline in the economic growth rate by two-thirds.This paper further estimates the potential impacts of reducing segmentation in product and labor markets on economic growth and social welfare,and finds that product market integration has a more significant effect on promoting economic growth,while labor market integration is more beneficial for improving social welfare.Both help to facilitate high-quality economic rebalancing.The policy implication of this paper lies in that developing a unified national market has a great potential to drive economic growth and economic rebalancing.Reform is needed to unleash institutional dividends,enabling regions to shift from"segmentation"to"regional division of labor,"and facilitating high-quality economic development.展开更多
Exploring long-term residence among the urban floating population is crucial to understanding urban growth in China,particularly since the 2008 financial crisis.By using China Migrants Dynamic Survey data for 2012–20...Exploring long-term residence among the urban floating population is crucial to understanding urban growth in China,particularly since the 2008 financial crisis.By using China Migrants Dynamic Survey data for 2012–2014,China Labor-force Dynamics Survey data for 2014–2016,and macroscale urban matched data,we analyzed the spatial pattern of long-term residential behavior in China’s urban floating population in 2012–2016 and developed an urban spatial utility equilibrium model containing‘macro’urban factors and‘micro’individual and household factors to explain the pattern.The results first revealed that long-term residence is defined as≥6 yr for the urban floating population in China.Second,members of this population are more likely to be long-term residents of the megacities in the three urban agglomerations in eastern China as well as of small and medium-sized cities in western and northeastern China,whereas short-term residence is more likely in cities in central China and near the three urban agglomerations.Third,urban population density and housing prices,both have a significant U-shaped effect,are main factors affecting the spatial pattern of long-term residence.展开更多
A geometrical theorem for the static equilibrium of a common-point-force system has been proven by means of virtual-work principle: The equilibrium point of a common-point force system has a minimal weighted distance ...A geometrical theorem for the static equilibrium of a common-point-force system has been proven by means of virtual-work principle: The equilibrium point of a common-point force system has a minimal weighted distance summation to every fixed point arbitrarily given on each force line with a weighing factor proportional to corresponding force value. Especially the mechanical simulating technique for its inverse problem has been realized by means of pulley block. The conclusions for the inverse problem derived from mechanic method are in accordance with that given by the pure mathematical method, and the self-consistence of the theorem and its inverse problem has been demonstrated. Some application examples in engineering, economy and mathematics have been discussed, especially the possible application in the research of molecular structure, has also been predicted.展开更多
基金the Major Project of the National Social Science Fund of China(No.21ZDA034)project of the Young Scientists Fund under the National Natural Science Foundation of China(No.72003211).
文摘Building a unified national market serves as a fundamental support and intrinsic requirement for creating a new development pattern and pursuing high-quality economic development.This paper examines the impact of external demand shocks and domestic market segmentation on China's economic growth and economic structure.It further discusses the potential role of establishing a unified national market in promoting the high-quality development of China's economy.Based on the dynamic quantitative spatial general equilibrium model,this paper characterizes the relationships among external demand shocks,market segmentation,economic growth,and economic structure within a unified theoretical framework.lt accounts for major macroeconomic phenomena observed in China before and after the 2008 global financial crisis,such as the initial rise and subsequent decline in the economic growth rate and the transition from imbalance to balance in industrial structure,income distribution structure,and consumption-saving structure.The study finds that domestic market segmentation exacerbates the negative effects of shrinking external demand on economic growth and economic structure,while a unified national market can reduce the extent of decline in the economic growth rate by two-thirds.This paper further estimates the potential impacts of reducing segmentation in product and labor markets on economic growth and social welfare,and finds that product market integration has a more significant effect on promoting economic growth,while labor market integration is more beneficial for improving social welfare.Both help to facilitate high-quality economic rebalancing.The policy implication of this paper lies in that developing a unified national market has a great potential to drive economic growth and economic rebalancing.Reform is needed to unleash institutional dividends,enabling regions to shift from"segmentation"to"regional division of labor,"and facilitating high-quality economic development.
基金Under the auspices of National Natural Science Foundation of China(No.42001132)MOE(Ministry of Education in China)Project of Humanities and Social Sciences(No.20YJC790009)Natural Science Basic Research Program of Shannxi,China(No.2020JQ-838)。
文摘Exploring long-term residence among the urban floating population is crucial to understanding urban growth in China,particularly since the 2008 financial crisis.By using China Migrants Dynamic Survey data for 2012–2014,China Labor-force Dynamics Survey data for 2014–2016,and macroscale urban matched data,we analyzed the spatial pattern of long-term residential behavior in China’s urban floating population in 2012–2016 and developed an urban spatial utility equilibrium model containing‘macro’urban factors and‘micro’individual and household factors to explain the pattern.The results first revealed that long-term residence is defined as≥6 yr for the urban floating population in China.Second,members of this population are more likely to be long-term residents of the megacities in the three urban agglomerations in eastern China as well as of small and medium-sized cities in western and northeastern China,whereas short-term residence is more likely in cities in central China and near the three urban agglomerations.Third,urban population density and housing prices,both have a significant U-shaped effect,are main factors affecting the spatial pattern of long-term residence.
文摘A geometrical theorem for the static equilibrium of a common-point-force system has been proven by means of virtual-work principle: The equilibrium point of a common-point force system has a minimal weighted distance summation to every fixed point arbitrarily given on each force line with a weighing factor proportional to corresponding force value. Especially the mechanical simulating technique for its inverse problem has been realized by means of pulley block. The conclusions for the inverse problem derived from mechanic method are in accordance with that given by the pure mathematical method, and the self-consistence of the theorem and its inverse problem has been demonstrated. Some application examples in engineering, economy and mathematics have been discussed, especially the possible application in the research of molecular structure, has also been predicted.
