It is not easy to summarize the studies that have dealt with the health effects of un employment on the unemployed. The main problem impeding a comparison of their results is the diversity of theoretical constructs associated with physical and especially mental health and, above all, an apparently inexhaustible variety of op erationalizations of these constructs. It is significant that the six conclusions drawn from the present state of unemployment research by the organizers of a re cent conference on the individual and social consequences of unemployment in cluded the following request: "In...