Lam and Schoeni (1993) consider an equation where earnings are explained by schooling and ability. They assume that ability data are lacking and that schooling is measured with error. The estimate obtained by regressing earnings on schooling thus contains omitted variable bias (OVB), which is...

This paper analyses recruitment practices to Samhall, a state-owned company that provides sheltered employment for individuals with severe work disabilities. Besides providing employment for disabled workers and rehabilitating them to employment outside Samhall, the company is expected to...

Decentralisation of decision-making in active labour market policy makes it possible to use local information to the fullest, but may also impinge on the fulfilment of national objectives, as suggested by principal-agent theory. The purpose of this study is to ex-amine the effects of a Swedish...