Environmental efficiency has been a research interest in the field of energy since the 1973 world oil crisis.With the in......

Cities can be regarded as basic production units that utilize resources such as land,water,labor,and capital as inputs.C......

本文根据中国区域2000-2008年的水资源利用的相关数据，利用面板 协整理论及包含区域异质效应的随机前沿模型对中国区域水资源利用效......

研究目的:本文以2006-2010 年数据为样本,通过引入审批城镇建设用地占用农用地面积这一重要变量构造超越对数生产函数模型,研究湖......

This paper investigates the relationship between risk-taking,concentration,and bank performance in the context of emergi......

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