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农业是陕西经济发展的基础产业,农业的发展需要财政的支持。本文运用C-D生产函数测定新农村建设投资支出的边际产出效应,进一步计算和分析出新农村建设投资支出对陕西农业经济增长和整个陕西经济增长的贡献率。结果显示:陕西省新农村建设投资支出对农业经济产出的平均贡献率达到22.04%,说明陕西省农业经济增长的1/5是依靠农业财政的支持,新农村建设投资支出对陕西经济增长的贡献率也达到2.41%。拟为陕西新农村建设投资支出的最优规模提供决策依据和为制定财政支农政策提供可资借鉴的思路。
Agriculture is the basic industry for economic development in Shaanxi. The development of agriculture requires financial support. This paper uses the C-D production function to measure the marginal product effect of the new rural construction investment expenditure and further calculates and analyzes the contribution rate of the new rural construction investment expenditure to Shaanxi’s agricultural economic growth and the entire Shaanxi economic growth. The results show that the average contribution rate of investment in new rural construction to agricultural economic output in Shaanxi Province reaches 22.04%, indicating that 1/5 of the agricultural economic growth in Shaanxi Province depends on the support of agricultural finance. The investment expenditure of new rural construction on Shaanxi’s economic growth Contribution rate also reached 2.41%. It is proposed to provide the decision-making basis for the optimal scale of new rural construction investment in Shaanxi Province and to provide a reference for formulating the financial supportive agriculture policy.