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Alguns Comentários sobre o Impacto da Privatização no Risco das Ações das Empresas

Author

Listed:
  • Alexandre Rands

    () (Datamétrica Consultoria, Pesquisa e Telemarketing)

  • Pierre Lucena

Abstract

This paper summarizes the sources of impact of privatization on the risk of shares of the companies. The hypothesis that there is such impact is tested empirically, through econometric estimation using data from Light and Vale do Rio Doce, two Brazilian companies. Three sources are identified: (i) companies become subject to more competition, (ii) They face more credit constraint, and (iii) increase hiring flexibility and significant change in its costs and in its efficiency it interns. Tests of the existence hypothesis were carried on, using ARHC Model. Results confirmed the major hypothesis for the two companies studied.

Suggested Citation

  • Alexandre Rands & Pierre Lucena, 2002. "Alguns Comentários sobre o Impacto da Privatização no Risco das Ações das Empresas," Working Papers 44, Datamétrica Consultoria Econômica, revised 2002.
  • Handle: RePEc:dtm:wpaper:44
    as

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    File URL: ftp://repec.datametrica.com.br/RePEc/dtm/wpaper/AlgunsComentariossobreoImpacto44.pdf
    File Function: Revised version, 2002.
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    More about this item

    Keywords

    privatização; restrição creditícia; risco; modelo ARCH.;

    JEL classification:

    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy

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