A macroscopic model based on a double-porosity approach is proposed to simulate the swelling caused by the subdivision of particles and aggregates that occurs when bentonites are hydrated under a high water content and low confinement. In the model, it is assumed that although the water that...

Throughout the 1980s, the British unemployment compensation system was subject to a series of administrative changes. At the same time, the proportion of male unemployed workers receiving benefit fell by some twenty percentage points. Using a time series of cross-sections from the Labour Force...

This paper provides a critical view of the cross country literature on the impact of labour market institutions and policies on the evolving pattern of unemployment in OECD countries. Such widely used indicators as the generosity of unemployment insurance or the strength of trade unions are...

Many observers argue that recent votes unfavorable to the European Union are the result of specific factors in each country. The authors argue there is a more central problem. The European social model has been seriously undermined, partly because of budgetary agreements of the EU and a zealous...

This report examines one major source of bias in the yearly Current Population Survey -- nonresponse rates. It shows evidence of systematic undercounting due to the disproportionately high nonresponse rate from individuals who are less likely to be employed than the general population.

This report examines the unionization rates of African-American workers and finds that the relative representation of African Americans has been steadily declining in unions, manufacturing, and auto manufacturing.