George R. G. Clarke|Katrina Kosec|Scott Wallsten
Has private participation in water and sewerage improved coverage? Empirical evidence from Latin America
World Bank|Stanford University
abstract introducing private sector participation psp water sewerage sectors difficult controversial empirical studies effects scant generally inconclusive case studies tend find improvements following privatisation suffer selection bias difficult generalise results explore empirically effects private sector participation coverage assemble new dataset connections water sewerage services city province level based household surveys argentina bolivia brazil household surveys conducted number years allow us compile data introduction private sector participation well similar control regions privatise analysis reveals general share households connected piped water sewerage improved following introduction private sector participation consistent case study literature also find however share households connected similarly improved control regions suggesting private sector participation per se may responsible improvements results similar looking poorest households share poor households connected piped water sewerage increased similarly areas without private sector participation suggesting thatin terms connections leastprivate sector participation harm poor copyright 2008 john wiley amp sons ltd