Before the early 1970s generous welfare states seemed to be consistent with high employment. Since then, there has been growing concern over disincentive effects of social insurance. This paper suggests that the problem may have arisen in part because European nations were in effect trying to...

The paper considers a model in which an imperfectly competitive manufacturing sector produces goods which are used both for final consumption and as intermediates. Intermediate usage creates cost and demand linkages between firms and a tendency for manufacturing agglomeration. How does...