6Estache, A., Gomez--lobo A., Leipziger, D. Utilities Privatization and the Poor: Lessons and Evidence from Latin America [J].World Devel- opment,2001,29(7).
7Galiani, S., Gertler, P., Schargrodsky E. Water for Life: the Impacl of Priwtization of Water Service on Child Mortality U]-Joumal of Politica) Economy,2005,113(1).