The Research For Spatial-temporal Differentiation And Influencing Factor Of Green Production Efficiency Of Marine Economy In China's Coastal Areas

Marine for China's economic and social development provided abundant resources and broad space for development,in recent years,the rapid development of marine economy make contribution to the growth of the national economy in a great extent and promote the whole social economy forward.But with the speeding up of the industrialization process of China's coastal areas and the acceleration of the marine economy rapid development on the marine extensive development and uncontrolled emissions,sea water pollution,ecological damage,multiple disasters and other environmental problems,the marine ecological environment problems can reduce the Marine biological resources,even rare species disappear,coastal tourism environment is destroyed,lost its original value,even human have a threat of the life and health,the marine environment problem has become the limiting factor for the marine economy growth and sustainable and healthy development.So in the context of the present state of development of China's marine economy,under the premise of how to protecting the environment,maximize enhance production efficiency of marine economy and achieve the sustained and healthy development of marine economy under the premise has become an inevitable problem need to solve.On the basis of the China's marine environment and marine economic development explain in detail,making the marine tradition of input factors,the marine environment input elements and marine economic growth into a whole production process,by use of Cobb Douglas stochastic frontier analysis method to calculate the production's efficiency,obtained the value of the marine economy green production efficiency of the coastal areas,and then with the methods of Arc GIS analysis function,kernel density estimation,Gini coefficient,coefficient of variation,? convergence and ? tend make space-time analysis and dynamic evolution trend analysis of the marine economy green production in coastal regional.On this basis,establish a Tobit regression model to quantitatively analyze the influence degree and direction of influence factors on green production efficiency of marine economy.The following main conclusions:(1)The marine economy green production efficiency showed steady improvement trend of the 11 coastal provinces and cities and inter regional differences in narrowing;The highest of green sea level of economic efficiency area is Hebei but its efficiency rate is the minimum.The efficiency level of Hainan is the lowest but its growth rate is the maximum,the difference between the highest and lowest efficiency into the convergence trend;(2)From the perspective of the output elasticity of input factors,elements of traditional investment promotes the growth of marine economy,under the current level of technology,the important premise of development of marine economy are increase the number of marine employment and convert more marine resources as far as possible.Along with the increase of the marine economic output with the increase of pollution degree of the marine environment,the discharge of industrial wastewater to the marine environment pollution degree is the largest;(3)The regional marine economy green production efficiency exist convergence,convergence speed is 5.64%,by limiting the current level of productivity,the speed of convergence of marine economy green production efficiency rate with higher such as Hebei,Guangdong is lower than marine economy green production efficiency rate with lower such as Hainan,Liaoning;(4)From the point of influencing factors,the marine economic development level have negative effect to the marine economy green production efficiency,the main reason is that development of marine economic benefit is less than the cost of the destruction of resources,environmental pollution.Marine material capital and the level of opening up of marine economy green production efficiency play positive roles,structure of marine industry,marine human capital and environmental governance efforts not through the model test,theses factors don't have significant impact on green marine economy production efficiency.