This article argues in favor of drawing a distinction between the concepts of labour rationing and unemployment, the … unemployment, are put forward. Lucas’ widely accepted view that some job alternatives are always available will thereby be … challenged. In part three, the relationship between labour rationing and (involuntary) unemployment is examined in the context of …

The aim of this paper is to disentangle four main acceptations of the unvoluntary unemployment concept, to be found in … the literature. The will be dubbed respectively as unvoluntary unemployment à la Keynes, à la Modigliani, à la Azariadis …, that unvoluntary unemployment à la Keynes is unacceptable within the neo-Walrasian research program. Part four examines the …