Gender Wage Discrimination in the Thai Labor Market (in Thai)
Chatmanee Khorpetch and Kiriya Kulkolkarn
This paper investigates the presence of gender wage differentials in the Thai labor market. A two-step approach (Heckman, 1979) was applied in estimating wage equations to avoid sample selection bias. The wage differential decomposition methods (Oaxaca, 1973; Cotton, 1988; Oaxaca and Ransom, 1994) were used. The data used were obtained from the Labor Force Survey, July-September 2008, conducted by the National Statistical Office of Thailand. The findings indicate that female workers received lower wages than male workers because of their gender not because they are less productive. On the contrary, the female workers were shown to be more productive than the men; the analysis indicates they would have earned higher wages than men. This is especially true in the age groups 15-24 and 25-54 years old. Although the wage gap was partly explained by a lower productivity of workers 55-60 years old, wage discrimination played a substantial role. Wage discrimination was worse in the younger than the older worker groups.
Keywords: gender discrimination, wage differentials, labor market in Thailand
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