Scandinavian Working Papers in Economics

Seminar Papers,
Stockholm University, Institute for International Economic Studies

No 618: How (Good) Immigration is: a matching analysis

Javier Ortega
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Javier Ortega: Departement d'Economia, Universitat Pompeu Fabra, Postal: Universitat Pompeu Fabra, Ramon Trias Fargas, 25-27, E-08005 Barcelona, Spain

Abstract: We present a dynamic two-country labour matching economy. Workers decide whether to search in their native country (paying a small cost) or to look for a job abroad (bearing an additional cost). Firms choose the number of vacancies they post in each country according to the average workers' characteristics inside it. Wages are determined in an individual Nash bargaining. We show the existence of multiple steady-state equilibria : a no-migration equilibrium and two migration equilibria. The multiplicity of equilibria comes from a self-fulfilling prophecy phenomenon linking average wages and incentives to migration. The equilibria are Pareto-ranked, with migration-equilibria dominating no-migration.

Keywords: immmigration; migration; labour; Nash bargaining; multiple steady-state equilibria; Pareto efficiency

JEL-codes: F22; J61

30 pages, October 30, 1997

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