Abstract
Facing the new form and situation of the Huaihe Economic Zone, it is of great significance to analyze the sources of growth and the intrinsic mechanism of the green total factor productivity of its economic-ecological system, to grasp the spatial and temporal characteristics of green total factor productivity, and to study the influence of each factor on green total factor productivity to achieve sustainable economic development in the Huaihe Economic Zone. Based on the clarification of economic growth theory, green economy theory, carbon cycle theory, and green total factor productivity theory, this paper identifies and discusses the limitation that the existing research literature often ignores the endogenous role of carbon sinks when measuring green total factor productivity. Then, the green total factor productivity of Huaihe Economic Zone based on carbon cycle from 2004 to 2017 is measured using the superefficient nonradial SBM model. Combined with the GML productivity index, it is decomposed into technical progress and technical efficiency and analyzed in comparison with the green total factor productivity without considering ecological purification capacity (carbon sink) from the perspective of time and space. Finally, the spatial Durbin model is used to analyze the effects of seven variables, including the level of economic development, environmental regulation, R&D level, and openness to the outside world, on green total factor productivity in the Huaihe Economic Zone, and to analyze the direct and indirect effects of each variable on green total factor productivity. TFP based on expected output carbon sink and GDP overall outperforms TFP based on expected output GDP only, mainly because the growth of technical efficiency is underestimated when carbon sink is not considered. Technical efficiency and technological progress are equally important for the growth of TFP in an eco-economic perspective. It is of great practical significance for both the comprehensive understanding of the green total factor productivity level and the improvement path of the ecosystem and the coordinated and sustainable development of the Huaihe Economic Zone.
Highlights
In today’s world, global warming induced by greenhouse gas emissions is threatening the survival and development of human beings, which makes people pay attention to the resource and environmental problems caused by rapid economic development, and economic development has changed from pursuing capital and labor efficiency to pursuing resource and environmental efficiency, and green and low-carbon development has become an inevitable option for all countries in the world [1]
General Secretary Xi Jinping, when inspecting the development of the Huaihe Economic Zone, clearly proposed that the Huaihe Economic Zone must take the path of ecological priority and green development and that all economic activities should not be based on the premise of damaging the ecological environment, so as to correctly grasp the relationship between ecological environmental protection and coordinated economic development and build a pioneering demonstration zone for green economic development [9]. is means that the high-speed economic growth model, which consumes a lot of resources and energy and leads to environmental pollution, needs to be transformed into a green sustainable development model, in which economic growth, resource conservation, and environmental protection are coordinated in parallel
It is necessary to further explore the impact of factors such as the level of economic development, environmental regulation, openness to the outside world, R&D level, industrial structure, and urbanization on the issues of resource allocation, energy consumption, and environmental protection [11]. erefore, under the reality that economic development has brought about massive consumption of resources and energy and environmental pollution, an in-depth study on the measurement and mechanism of the role of green total factor productivity is of great practical significance for the green and sustainable development of the economic-resource-environment system [12]
Summary
In today’s world, global warming induced by greenhouse gas emissions is threatening the survival and development of human beings, which makes people pay attention to the resource and environmental problems caused by rapid economic development, and economic development has changed from pursuing capital and labor efficiency to pursuing resource and environmental efficiency, and green and low-carbon development has become an inevitable option for all countries in the world [1]. Green total factor productivity comprehensively reflects the actual level of coordinated development among economic growth, resource conservation, and environmental protection. It is necessary to further explore the impact of factors such as the level of economic development, environmental regulation, openness to the outside world, R&D level, industrial structure, and urbanization on the issues of resource allocation, energy consumption, and environmental protection [11]. Erefore, under the reality that economic development has brought about massive consumption of resources and energy and environmental pollution, an in-depth study on the measurement and mechanism of the role of green total factor productivity is of great practical significance for the green and sustainable development of the economic-resource-environment system [12]. (3) we proposed a comprehensive understanding of the economic-ecological system’s green total factor productivity level
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