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经济转型时期,国有经济对地区经济增长具有“增长拖累效应”和“宏观稳定效应”的双重影响。本文利用1990—2013年的我国省际宏观数据,采用广义矩估计法(GMM)探讨国有经济对地区经济增长的影响效应。研究发现:(1)随着市场化改革,国有经济规模过大会抑制地区经济增长;(2)加入平方项后,国有经济与地区经济增长呈倒U型关系,即国有经济规模对地区经济增长的影响先正后负;(3)测算出国有经济的最优规模为25.17%,比目前我国国有经济规模24.86%略高。
In the period of economic transition, the state-owned economy has double impact on the regional economic growth with “the growth drag effect” and the “macro-stability effect”. In this paper, we use the provincial macroeconomic data from 1990 to 2013 to explore the effect of the state-owned economy on the regional economic growth by GMM. The findings are as follows: (1) With the reform of marketization, the oversize of the state-owned economy will restrain the regional economic growth; (2) After joining the square term, the state-owned economy and the regional economic growth are inverted U-shaped, that is, the size of the state- (3) The optimal scale of state-owned economy is 25.17%, which is slightly higher than the current state-owned economy of 24.86% in our country.