Rising inequality in the relative wages of skilled and unskilled labor is often attributed to skill-biased technological progress. This paper presents a model in which the adoption of skill-biased or "unskilled-biased" technologies is endogenous. Conventional wisdom states that an increase in...

Investigating the robustness of the skill-biased technical change hypothesis, this analysis incorporates two novel features. First, effective labor is modeled as the product of a quantity measure - number of employees with a given level of education - and a quality index, depending on, i.a.,...