农业供给结构时空分异的财政政策效应分析

Temporal and Spatial Differences of Fiscal Policy Effects on Agricultural Supply Structure

财政政策是影响农业供给结构的重要因素,对农业供给及其结构调整具有重要的作用。基于1997—2015年中国30个省市(西藏除外)面板数据,采用系统广义矩估计(SYS-GMM)等计量方法对财政支农支出与农业供给结构进行考察。结果显示:从总体来看,财政支农支出对农业供给结构效应呈现"U"型特征;从时间差异看,2003年后财政支农支出对农业供给结构的"U"效应特征更加显著;从区域差异看,东部地区呈现"∩"型特征,中西部地区呈现"U"型特征。

Fiscal policy is an important factor affecting the structure of agricultural supply, and plays an important role in agricultural supply and its structural adjustment. Based on the panel data of 30 provinces and cities in China （except Tibet） in 1997-015 years, the system generalized moment es- timation （ SYS - GMM） and other measurement methods were used to investigate the expenditure of fi- nancial support for agriculture and the structure of agricultural supply. The results show that, in gener- al, the financial support expenditure has a ＂U＂ feature of the agricultural supply structure effect. From the time difference, the ＂U＂ effect of the financial support expenditure on the agricultural supply structure after 2003 is more significant ; from the perspective of regional differences, the eastern region shows a ＂∩ ＂ feature, and the central and western regions show ＂U＂ feature.