This paper studies the long-run impact of technological change on the labour market in a two-sector model with heterogeneous workers. It is assumed that inventions increase both productivity and skill requirements. Such skill-intensive inventions cause increases in inequality, shifts in labour...

This paper uses input-output and census data from 1961, 1971 and 1981 to decompose the employment changes during each decade into several sources. Decompositions are performed at three levels of aggregation by occupation and by industry. The main influences on employment levels have been changes...

A common goal in economics is to attribute changes in a variable (Y) between two points in time to various causes, when the only information available is an equation expressing Y as a matrix product of several variables, and the values of all variables at the two dates. Past methods of...