The structure of wages and employment has shifted against the low-skilled in many OECD countries over the last decade. Many authors have attributed this shift to the impact of new technologies, and or technical change in general. This paper investigates and structures the growing body of...

The labour market position of low skilled workers has deteriorated dramatically over the 80s and early 90s. Awell-known manifestation of this deterioration is the rise in relative high-skilled wages observed in the UnitedStates. It is a well-documented fact that demand shifts underlie this...

In this article we present a model with two levels of skills and two classes of goods, one produced with a technology requiring high skills, the other produced with a technology that can be operated by both low and high skilled workers. In this model skill biased technical change causes a drop...