筛选: Committee Klumpp, Tilman, Emory University 删除限定条件 Committee: Klumpp, Tilman, Emory University Committee Schnier, Kurt, Georgia State University 删除限定条件 Committee: Schnier, Kurt, Georgia State University Degree PhD 删除限定条件 Degree: PhD Keyword Environmental Kuznets Curve 删除限定条件 Keyword: Environmental Kuznets Curve