Economic Performance Evaluation for Revitalizing Border Areas and Enriching Border People --An Empirical Research Based on Difference in Difference Model by Taking Guangxi and Yunnan as Samples

利用"兴边富民行动"的实施仅限于边境县所提供的"自然实验",以广西和云南为样本,采用双重差分模型对其经济绩效进行评估,分析表明:从总体效应看,"兴边富民行动"对边境县人均GDP增长具有显著正向促进作用,有利于第一产业占比的提高,但不利于第三产业占比的提高,对第二产业占比的影响不显著;从动态效应看,"兴边富民行动"对边境县经济发展的促进效应由负转正、逐渐增强,对第一产业占比的影响呈现出持续减弱的趋势,对第二产业占比的影响呈现出持续增强的趋势,对第三产业占比的影响持续为负。我国边境地区经济结构还处于较低级阶段,经济发展水平相对落后,"兴边富民行动"的实施确实促进了边民收入水平的提高和边境地区产业结构的升级,应进一步加大实施力度。By using the ＂action＂ of revitalizing border areas and enriching border people implementation limited to natural experiment provided by the border counties, by taking Guangxi and Yunnan as samples, this paper uses a difference in difference （DID） model to evaluate its economic performance. The analysis shows that on the whole, the ＂action＂ on the border countries plays a significantly positive role in promoting the per capita GDP growth in border counties, is helpful to promote the proportion of the primary industry, but is unhelpful to boost the tertiary industry proportion and does not have significant impact on the secondary industry. From the perspective of dynamic effect, the promotion effect of the ＂action＂ on the economic development of border counties changes from negative to positive and gradually increases, its impact on the primary industry proportion consistently decreases, its impact on secondary industry proportion trends to be consistently increasing and its impact on the tertiary industry proportion is consistently negative. The economic structure of the borer areas of China stays at lower stage and its economic development is relatively backward, the ＂action＂ implementation really promotes the income of border people, boosts upgrading industrial structure in border areas, and should be consolidated.国家自然科学基金地区项目(41561027