Machin, Stephen; Reenen, John Van - In: The Quarterly Journal of Economics 113 (1998) 4, pp. 1215-1244
This paper compares the changing skill structure of wage bills and employment in the United States with six other OECD countries (Denmark, France, Germany, Japan, Sweden, and the United Kingdom). We investigate whether a directly observed measure of technical change (R&D intensity) is closely...