Previous research on the relationship among family socio-economic status (SES), cannabis use and educational attainment has concentrated on finding a causal pathway from SES and illicit drug use to educational achievement. However, the association between family background and a child's cannabis...

Empirical research into the relationship between illicit drug use and labour market success has been found to have mixed results in the literature. The relevant sources of variability are the methods used to account for the potential endogeneity of drug use. This article utilizes clinical data...

The purpose of this paper is to identify the role of health status in productivity. In order to check the existence of reverse causation suggested by previous studies the Hausman test was carried out and different sets of instruments were used as exogenous determinants of health expenditure....