The authors test for a link between unionization and net investment rates in Canadian manufacturing. Analysis of data on 18 industries for the years 1967-87 reveals a negative non-linear relationship: the presence of unions appears to have reduced investment when the percentage of firms in the...

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...

Do smaller classes boost achievement mainly by helping teachers impart specific academic skills to students with low academic achievement? Or do they do so primarily by helping teachers engage poorly behaving students? The analysis uses the grade 3 to 4 transition in San Diego Unified School...

The authors test for a link between unionization and net investment rates in Canadian manufacturing. Analysis of data on 18 industries for the years 1967–87 reveals a negative non-linear relationship: the presence of unions appears to have reduced investment when the percentage of firms...