5Rock M T. Freshwater use, freshwater scarcity, and socioeconomic development[ J] Journal of Environment & Development, 1998,7 ( 3 ) :275-314.
6Grossman G M,Krueger A B. Economic growth and the environment [R]. National Bureau of Economic Research, 1994.
7Duarte R, Pinilla V, Serrano A. Is there an environmental Kuznets curve for water use ? A panel smooth transition regression approach [ J ]. Documentos De Trabajo, 2012,31 (38) :518-527.
8Selden T M ,Song D. Environmental quality and development:is there a Kuznets curve for air pollution[ J]. Journal of Environmental Eco- uomicsand Management, 1994, 27 (2) : 147 - 162.
9Howe C - W. Water resources and regional economic growth in the United States, 1950--1960 [ J ]. Southern Economic Journal, 1968, 34 (4) : 477 -489.
10Deason J, Schad T M, Sherk G W. Water policy in the United States: aperspective [ J ]. Water Policy,2001,3 ( 3 ) : 3175 - 3192.
