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Job competition, product market competition and welfare

Pompermaier, Alberto (2011): Job competition, product market competition and welfare.

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Abstract

This paper presents a model of labour supply determination under job competition. In the presence of a positive rate of unemployment and increasing returns to labour, the level of labour supply chosen by each individual lies above the one that, at the offered wage, maximises utility. There is a unique strictly positive degree of job competition that is consistent with the optimal allocation. If labour supply is upward-sloping, increasing job competition raises the equilibrium level of activity and, when job competition causes production to exceed its optimal level, reducing output market competition leads to a welfare improvement.

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