In this paper, we ask under what conditions norms can enhance welfare by mitigating moral hazard in income insurance. We point out a particular role of norms, namely to compensate for insurers’ difficulties in monitoring the behavior of insured individuals. Thus, the functioning of social...

This paper addresses various attempts by so-called new Keynesians, writing mainly in the 1980s and 1990s, to strengthen the analytical basis, in particular the microeconomic foundations, of these assertions. What, exactly, have then the new Keynesians accomplished, and how should their...

Can income equality be combined with high economic efficiency and rapid economic growth? Fortunately, we need not to answer such a general question. Indeed, the question is poorly phrased. The relationship between income and wealth distribution, on one hand, and efficiency/growth, on the other,...

This article is an idiosyncratic survey of the insider-outsider theory, describing the vision underlying the theory, and evaluating salient contributions to the literature in the light of this vision. We also indicate what appear to have been dead-ends and red herrings in past research. The...