Os empregados da agricultura brasileira: diferenciais e determinantes salariais
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This work studies the wage differentials and determinants of
the employees in Brazilian agriculture, in period 1981-2005, on the basis
of the information of the National Research for Sample of Domiciles
of the IBGE. The methodology of Heckman is used to correct bias of
selection, common in wage equations gotten by Least Ordinary Square,
besides the decomposition of Oaxaca-Blinder, to analyze the wage
differentials between 1981 and 2005. Between wage determinants, had
been analyzed: education, experience, region, weekly working time and
formal work, besides some macroeconomic determinants. The results
of the work suggest a reduction of the wage differentials, mainly in
the end of the studied period, and that the variable education, age and
formal work had contributed to reduce the wage differentials between
1981 and 2005; and on the other hand, the variable geographic region
and weekly working time, had contributed to increase them. Moreover,
the macroeconomic variables included in the analysis were statistical
significant in the explanation of the agricultural differentials.