Meta-Analysis of Empirical Evidence on the Labour Market Impacts of Immigration

41 Pages Posted: 23 May 2008

See all articles by Simonetta Longhi

Simonetta Longhi

University of Essex - Institute for Social and Economic Research (ISER); Institute for the Study of Labor (IZA); Tinbergen Institute

Peter Nijkamp

VU University of Amsterdam - Department of Spatial Economics; Tinbergen Institute

Jacques Poot

Vrije Universiteit Amsterdam, Department of Spatial Economics; University of Waikato - National Institute of Demographic and Economic Analysis; Motu Economic and Public Policy Research; IZA Institute of Labor Economics

Abstract

The increasing proportion of immigrants in the population of many countries has raised concerns about the 'absorption capacity' of the labour market, and fuelled extensive empirical research in countries that attract migrants. In previous papers we synthesized the conclusions of this empirical literature by means of meta-analyses of the impact of immigration on wages and employment of native-born workers. While we have shown that the labour market impacts in terms of wages and employment are rather small, the sample of studies available to generate comparable effect sizes was severely limited by the heterogeneity in study approaches. In the present paper, we take an encompassing approach and consider a broad range of labour market outcomes: wages, employment, unemployment and labour force participation. We compare 45 primary studies published between 1982 and 2007 for a total of 1,572 effect sizes. We trichotomise the various labour market outcomes as benefiting, harming or not affecting the native born, and use an ordered probit model to assess the relationship between this observed impact and key study characteristics such as type of country, methodology, period of investigation and type of migrant.

Keywords: immigration, labour market, factor substitution, comparative research, meta-analysis

JEL Classification: C51, F22, J31, J61

Suggested Citation

Longhi, Simonetta and Nijkamp, Peter and Poot, Jacques, Meta-Analysis of Empirical Evidence on the Labour Market Impacts of Immigration. IZA Working Paper No. 3418, Available at SSRN: https://ssrn.com/abstract=1136223 or http://dx.doi.org/10.2139/ssrn.1136223

Simonetta Longhi (Contact Author)

University of Essex - Institute for Social and Economic Research (ISER) ( email )

Wivenhoe Park
Colchester CO4 3SQ
United Kingdom

Institute for the Study of Labor (IZA) ( email )

P.O. Box 7240
Bonn, D-53072
Germany

Tinbergen Institute ( email )

Burg. Oudlaan 50
Rotterdam, 3062 PA
Netherlands

Peter Nijkamp

VU University of Amsterdam - Department of Spatial Economics ( email )

De Boelelaan 1105
1081HV Amsterdam
Netherlands
+31 20 4446091 (Phone)
+31 20 4445611 (Fax)

Tinbergen Institute

Gustav Mahlerplein 117
Amsterdam, 1082 MS
Netherlands

Jacques Poot

Vrije Universiteit Amsterdam, Department of Spatial Economics ( email )

De Boelelaan 1105
1081HV Amsterdam
Netherlands

University of Waikato - National Institute of Demographic and Economic Analysis ( email )

Te Raupapa
Private Bag 3105
Hamilton, 3240
New Zealand

Motu Economic and Public Policy Research

Level 1, 93 Cuba Street
P.O. Box 24390
Wellington, 6142
New Zealand

IZA Institute of Labor Economics

P.O. Box 7240
Bonn, D-53072
Germany

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