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Has private participation in water and sewerage improved coverage - empirical evidence from Latin America (Inglês)

Introducing private sector participation (PSP) into the water and sewerage sectors in developing countries is difficult and controversial. Empirical studies on its effects are scant and generally inconclusive. Case studies tend to find improvements in the sector following privatization, but they suffer from selection bias, and it is difficult to generalize from their results. To explore empirically the effects of PSP on coverage, we assemble a new dataset of connections to water and sewerage services at the city, and province level, based on household surveys in Argentina, Bolivia, and Brazil. The household surveys, conducted over a number of years, allow us to compile data, before and after the introduction of PSP, as well as from similar (control) regions that never privatized at all. Our analysis reveals that, in general, connection rates to piped water and sewerage, improved following the introduction of PSP, consistent with the case study literature. We also find, however, that connection rates similarly improved in the control regions, suggesting that PSP, per se, may not have been responsible for those improvements. On the other hand, connection rates for the poorest households also tended to increase in the regions with PSP, and in the control regions, suggesting that-in terms of connections at least-PSP did not harm the poor.


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    Clarke,George R., Kosec,Katrina L., Wallsten,Scott

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    Documento de trabalho sobre pesquisa de políticas

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  • País

    América Latina,




  • Região

    América Latina e Caribe,

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  • Nome do documento

    Has private participation in water and sewerage improved coverage? - empirical evidence from Latin America

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    water and sewerage;private sector participation in water;piped water;water supply and sewerage;water and sewerage sector;private participation in water;water and sewerage service;Privatization;cost of water supply;short period of time;effect of privatization;number of connections;bottom income quintile;water system;cost of supply;access to infrastructure;performance of private;public water system;unaccounted for water;number of workers;public water utility;private operator;effects of ownership;list of countries;second world war;improvements in access;privatization of water;effect of price;measures of population;amount of water;reduction in consumption;private sector partner;public water operator;primarily due;municipal water utility;reallocation of investment;access to sewerage;international telecommunication union;extent of privatization;portion of total;quality of data;direct product market;improvement in productivity;success of reform;country case study;failure of reform;poor household;public ownership;connection rate;empirical analysis;Population Growth;household survey;utility performance;water sector;small sample;benchmark competition;joint ownership;flush toilet;sewerage coverage;contract renegotiation;public company;household access;price cap;price change;water company;private company;water utilities;empirical study;Industrialized countries;sewerage connection;industrialized country;telecommunications sector;Child Mortality;public control;strategic behavior;water concession;water quality;sewage treatment;urban population;private ownership;empirical evidence;technological change;introducing competition;bulk water;infrastructure sector;privatized utility;comparable data;survey data;press coverage;labor productivity;public operator;tariff increase;cross-country study;contract cancellation;water conditions;private investor;small cities;aggregate data;Urban Access;Water Services;universal coverage;household spending;sampling error;disadvantaged household;urban household;adequate maintenance;effective price;improved health;public network;water consumption;household data;government fund;panel data;fixed effect;study including;alternative use;physical environment;relative performance;public provider;cross-country analyses;household income;significant correlation;geographic level;enterprise performance;public provision;living condition;quality information;household head;geographic region;civil unrest;primary data;welfare change;institutional factor;socioeconomic status;water coverage;sewage collection;septic tank;sewerage network;water provider;child weight;political motivation;state budget;Learning and Innovation Credit;fixed investment;surface sources;consumer satisfaction;supply network;physical characteristic;performance difference;Toll Road;empirical work;unforeseen circumstance;infrastructure service;winning bidder;regulatory authority;service availability;regulatory regime;institutional environment;retail price;private enterprise;empirical research;competition increase;empirical findings;transporting water;distribution network;selection bias;private provision;competitive market;cost structure;breeding ground;water user;sample selection;legal obstacles;improved water;telecommunications reform;cross-country panel;econometric study;statistical results;statistical analyses;water reform;statistical studies;untreated sewage;investment incentive;water access;sanitation problem;improved sanitation;lease contract;consumer pressure;legal problems;illegal connection;consumer welfare;exchange rate;commercial bank;productive capacity;price reduction;gain control;contract provision;Exchange Rates;informal connection;census data;commercial areas;population data;tariff structure;privatization contract;negative coefficient;water price;positive coefficient;private managers;coverage rate;voluntary agreement;workforce reduction;health outcome;factor price;



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