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通过合理界定公共资本内涵及统计范围,运用永续盘存法、“年龄—效率”函数谨慎测算1985~2013年中国省际生产性公共资本存量,并基于数据包络分析法探讨公共资本投入效率的变化趋势、区域差异及影响因素。结果表明:公共资本投入效率自1993年以来显著提升,并逐步替代技术进步成为劳动生产率增长的首要来源;沿海地区公共资本存量处于全国领先水平,长江中游、西南和黄河中游地区公共资本投入效率增速相对较快,西北地区公共资本规模及效率增速均处于落后状态;财政分权与公共资本投入效率增长呈显著正相关。
By reasonably defining the connotation of public capital and the scope of statistics, we use the perpetual inventory method and the “age-efficiency” function to carefully calculate the amount of China’s inter-provincial productive public capital from 1985 to 2013 and discuss the public capital investment based on data envelopment analysis Efficiency trends, regional differences and influencing factors. The results show that the efficiency of public capital investment has risen significantly since 1993, and gradually replaced technological progress as the primary source of labor productivity growth. The public capital stock in coastal areas is at the leading level in the country. The efficiency of public capital investment in the middle reaches of the Yangtze River, southwestern regions and the middle reaches of the Yellow River The speed of public capital in Northwest China is relatively backward, and both the scale and efficiency of public capital in the northwestern region are lagging behind. The fiscal decentralization has a positive and significant positive correlation with the growth of public capital input efficiency.