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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

DeterminaÃÃo de fatores de influÃncia no acesso aos serviÃos de saneamento no estado do Cearà / Determination of factors of influence on access to sanitation services in the state of CearÃ

Joana Darc Sousa Cordeiro 19 December 2008 (has links)
As externalidades positivas ensejadas pela prestaÃÃo de serviÃos de saneamento bÃsico incluÃram a universalizaÃÃo do acesso aos serviÃos no marco regulatÃrio do setor. Nesse contexto, a ampliaÃÃo da oferta aparece como condiÃÃo necessÃria, mas nÃo suficiente para reduÃÃo no deficit desses serviÃos. Ao buscar responder ao problema investigativo deste trabalho - âquais fatores determinam a chance de o agente econÃmico residir num domÃcilio com determinada alternativa de saneamento?â - se pretende alcanÃar o objetivo da pesquisa: fornecer informaÃÃes para orientar polÃticas pÃblicas que propiciem o uso eficiente dos sistemas de saneamento. Foi empregado um modelo logit bivariado para testar as seguintes hipÃteses: existem mais atributos concorrentes aos serviÃos de saneamento para famÃlias com menor nÃvel de escolaridade; e iluminaÃÃo elÃtrica à um atributo concorrente ao serviÃo de esgotamento sanitÃrio pela rede geral. O modelo està apoiado na Teoria do Consumidor, cujo nÃvel de satisfaÃÃo aumenta ao residir num domicÃlio com maior nÃmero de atributos, e na Teoria dos PreÃos HedÃnicos, jà que os serviÃos de saneamento sÃo incorporados ao modelo como um entre vÃrios atributos disponÃveis no domicÃlio demandado pelo agente econÃmico. Os resultados apontam que a variÃvel exÃgena escolaridade à efetivamente relevante para explicar o acesso aos serviÃos de saneamento, especialmente por serviÃos de esgoto. Verifica-se, contudo, que resultados observados no contexto nacional podem nÃo refletir a realidade regional, de forma que algumas variÃveis representativas de modelos no plano nacional nÃo foram confirmadas no conceito local. / ABSTRACT The positive externalities occasioned by the basic sanitation, included the access to the service at the regulatory mark of the sector. In this context the supply enlargement turns up as a necessary condition, but not enough for a deficit reduction of these services. As we pursue to answer the investigative problem of this work - ? Which reasons determine the chance for the economic agent reside in a domicile with a determined alternative of sanitation? â It is intended to reach the research goal: provide information in order to orientate public policy which may propitiate the effective usage of the sanitation systems. A bivariate logit model was utilized to test the following hypothesis: there are more attributes concurring to the sanitation services for families with a lesser schooling; and electric illumination is a concurring attribute to the sewerage system through the general net. The model is supported on the Consumer Theory, whose satisfaction level increases as he resides in a domicile with a larger number of attributes and in the Theory of HedonicPrices, since the sanitation services are incorporated to the model as one among several available attributes in the domicile demanded by the economic agent. The results show that the exogenous variable schooling is effectively relevant to explain the access to sanitation services, especially those of sewerage. We verify, however that, the results observed in national context may not reflect the regional reality, so that some representative variables of models in national plan were not confirmed in local concept.

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