This dissertation contains three papers concentrating on human capital, inequality and economic growth in Thailand. All three papers use the Labor Force Survey (LFS), conducted by National Statistical Office (NSO) in Thailand. First paper (Chapter two of this dissertation) aims to find intergenerational rate of transmission of human capital. As one of the major limitations of finding intergenerational rate of transmission is endogeneity problem, this paper contributes by proposing an alternative instrument to find rate of transmission of human ...