【摘要】：針對目前理論和實證界關于專業(yè)化與多樣化的關系以及它們對地區(qū)經(jīng)濟增長的作用莫衷一是的現(xiàn)狀,本文基于CES生產(chǎn)函數(shù),引入市場交易效率、固定學習成本、專業(yè)化經(jīng)濟程度和多樣化經(jīng)濟程度等參數(shù),構建多部門數(shù)理模型,定性分析了地區(qū)多樣化、地區(qū)專業(yè)化的演化及它們對經(jīng)濟增長的作用。然后,使用2008-2014年的地級市面板數(shù)據(jù)進行實證檢驗。與現(xiàn)有研究有較大區(qū)別,本文的一般均衡分析與實證分析結果表明:(1)地區(qū)多樣化水平與地區(qū)專業(yè)化水平大小的對立與統(tǒng)一是由其所處的分工階段與市場范圍大小所決定的。隨著地區(qū)的市場交易效率、專業(yè)化經(jīng)濟程度和多樣化經(jīng)濟程度的提高以及固定學習成本的降低,地區(qū)所處結構由自給自足結構轉變?yōu)橥耆止そY構,從而地區(qū)多樣化水平與地區(qū)專業(yè)化水平大小的關系會由完全對立轉變?yōu)橥耆y(tǒng)一。多樣化與專業(yè)化的關系特征檢驗顯示,2008-2014年我國東部沿海和中部地區(qū)的專業(yè)化水平和多樣化水平大小普遍是統(tǒng)一的,而東北部地區(qū)和西部地區(qū)的專業(yè)化水平和多樣化水平大小大體上是對立的。(2)地區(qū)多樣化與地區(qū)專業(yè)化是并行不悖的,即多樣化水平和專業(yè)化水平在地區(qū)經(jīng)濟發(fā)展歷程中能夠同時提高。實證檢驗表明,2008-2014年我國地級市整體的專業(yè)化水平和多樣化水平存在著一個同時提高的趨勢。(3)多樣化和專業(yè)化對地區(qū)經(jīng)濟增長的作用具有兩重性,只有在地區(qū)專業(yè)化基礎上的地區(qū)多樣化才能促進區(qū)域經(jīng)濟增長。當?shù)丶壥袑I(yè)化水平較高時,地區(qū)多樣化會顯著推動其經(jīng)濟增長,地區(qū)多樣化水平每提高一個單位,其人均真實產(chǎn)出會提高0.28%;但是當在地級市專業(yè)化水平較低的情況時,地區(qū)多樣化反而會抑制其經(jīng)濟增長,地區(qū)多樣化水平每提高一個單位,其人均真實產(chǎn)出則顯著下降0.033%。本文從一個新的分工視角解釋了地區(qū)多樣化與地區(qū)專業(yè)化演化的微觀機理,并揭示出地區(qū)多樣化與地區(qū)專業(yè)化對區(qū)域經(jīng)濟增長作用的兩重性,它們對地區(qū)經(jīng)濟增長的作用是相輔相成的,缺一不可。
[Abstract]:In view of the current situation of the relationship between specialization and diversification and their role in regional economic growth, this paper introduces market transaction efficiency and fixed learning cost based on CES production function. Based on the parameters of the degree of specialization economy and the degree of diversification economy, this paper constructs a multi-sector mathematical model, and qualitatively analyzes the evolution of regional diversification, regional specialization and their effect on economic growth. Then, using the 2008-2014 prefecture-level city panel data for empirical testing. The results of general equilibrium analysis and empirical analysis show that: (1) the opposition and unity of regional diversification level and regional specialization level are determined by the stage of division of labor and the size of market scope. With the increase of market transaction efficiency, the degree of specialization and diversification of economy, and the decrease of fixed learning cost, the structure of the region has changed from self-sufficient structure to complete division of labor structure. As a result, the relationship between regional diversification level and regional specialization level will change from complete opposition to complete unity. The characteristic test of the relationship between diversification and specialization shows that the level of specialization and the level of diversification in the eastern coastal and central areas of China from 2008 to 2014 are generally uniform. However, the level of specialization and the level of diversification in the northeast and western regions are on the whole opposite. (2) Regional diversification and regional specialization go hand in hand, That is, the level of diversification and specialization in the process of regional economic development can be improved at the same time. The empirical test shows that the specialization level and diversification level of prefecture-level cities in China have a tendency to increase simultaneously from 2008 to 2014. (3) diversification and specialization have dual effects on regional economic growth. Only on the basis of regional specialization can regional diversification promote regional economic growth. When the specialization level of prefecture-level cities is high, regional diversification will significantly promote their economic growth. With each unit of increase in regional diversification level, the real output per capita will increase by 0.28%, but when the specialization level of prefecture-level cities is low, On the contrary, regional diversification will restrain its economic growth. With each increase in regional diversification level, the real output per capita decreases by 0.033. This paper explains the microcosmic mechanism of regional diversification and regional specialization evolution from a new perspective of division of labor, and reveals the duality of regional diversification and regional specialization on regional economic growth. Their role in regional economic growth is complementary and indispensable.
【學位授予單位】：湖南科技大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：F127

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