Policy analysis in applied fields such as agricultural, trade, environmental and development policy is still often undertaken within a first-best, rather than a more realistic second-best framework. The present paper seeks to contribute to changing this state of affairs by providing an intuitive...

Commentators claim that a shortage of skills in South Africa is constraining output and that a rise in skill supply would benefit less skilled occupations. This assumes or implies skilled and unskilled labour are complements. Hicks Elasticities of Complementarity and elasticities of factor price...

This paper presents a new method of estimating the effects of immigration on the labor market that does not require variations in immigration across cities. With a two-stage CES model that aggregates immigrant groups by age cohorts and aggregates cohorts into effective labor, the econometric...