机译：Análisis no-lineal de la convergencia regional en América Latina, 1950-2010: un modelo panel TAR↓Analyse non linéaire de la convergence régionale latino-américaine, 1950-2010: un modèle panel TAR↓Análise n?o-linear da convergência regional na América Latina, 1950-2010: um modelo panel TAR↓基于面板阈值自回归模型（TAR）对1950-2010年拉丁美洲区域趋同的非线性分析
机译：Ppp模式是推动电子政务平台健康发展的良药吗？ --来自华东地区50个城市政务app的面板数据分析 =Is the Public-Private Partnership (PPP) Model A Panacea for Promoting the Healthy Development of the Government E-Services Platform? - Panel Data Analysis of Government App from 50 Cities in East China
