This paper examines the economic effects of employment protection legislation in a sample of developed and developing countries. Implementing a difference-indifferences test lessens the potentially severe endogeneity and omitted variable problems associated with cross-country regressions. This...

This study provides empirical evidence for the economic rationality of wage rigidities. Theoretically wage rigidities can result from contracts, implicit contracts, from efficiency wages and from insider-outsider behaviour. Based on a survey of 801 firms strong support has been found for...