IDEAS home Printed from
MyIDEAS: Log in (now much improved!) to save this paper

Eficiência Econômica: Uma Aplicação Do Modelo De Fronteira Estocástica Em Empresas De Saneamento

Listed author(s):
  • Thelma Harumi Ohira
  • Ricardo Shirota
Registered author(s):

    The objective of the present study, is measure the efficiency in the sector of basic sanitation. Verifying the existence of economical efficiency among basic sanitation companies on Sao Paulo State, according to the different products determination, assuming two types of systematical errors (half-normal and truncated-normal), as well as, the covered services: regional and local. To perform that, it has been evaluated the efficiency existence on the companies, on Sao Paulo State, using the data from the 'Sistema Nacional de Informação sobre Saneamento' (SNIS), of 2002, from Cities Ministry; through stochastic frontier models of cost function to each type of output used as the dependent variable. It is possible to conclude that, according to the different determinations of outputs, and the assumed distribution of the systematic error, the results has presented different results. That way, the determination of the efficiency is sensible to the choice of output. Performed tests have showed that covered services of the companies were not significant to determine a result. This allows that is possible decrese costs of this enterprises and hold the service's level.

    If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.

    File URL:
    Download Restriction: no

    Paper provided by ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics] in its series Anais do XXXIII Encontro Nacional de Economia [Proceedings of the 33th Brazilian Economics Meeting] with number 142.

    in new window

    Date of creation: 2005
    Handle: RePEc:anp:en2005:142
    Contact details of provider: Postal:
    Secretaria da ANPEC Rua Prof Marcos Valdemar de Freitas Reis s/n Campus do Gragoatá Bloco F Niterói, RJ 24210-201 Brazil

    Phone: 55 21 3674 7952
    Fax: 55-11-3091-6073
    Web page:

    More information through EDIRC

    Order Information: Postal: Secretaria da ANPEC Rua Prof Marcos Valdemar de Freitas Reis s/n Campus do Gragoatá Bloco F Niterói, RJ 24210-201 Brazil

    No references listed on IDEAS
    You can help add them by filling out this form.

    This item is not listed on Wikipedia, on a reading list or among the top items on IDEAS.

    When requesting a correction, please mention this item's handle: RePEc:anp:en2005:142. See general information about how to correct material in RePEc.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Rodrigo Zadra Armond)

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If references are entirely missing, you can add them using this form.

    If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    This information is provided to you by IDEAS at the Research Division of the Federal Reserve Bank of St. Louis using RePEc data.