共 6 条
[1]
Does privatization improve the environment?. BELADI H,CHAO C C. Economics Letters . 2006
[4]
异质产品、中间品贸易与最优研究和开发政策[J]. 李长英,谢申祥,王孝松. 制度经济学研究. 2009(04)
[6]
Environmental Taxes in a Differentiated Mixed Duopoly. Wang,L.F.S,Wang,J. Economic Systems . 2009