The impact of unions on productivity has been an important area of debate in industrial relations and economics. The theoretical and empirical literature has produced conflicting results. In this paper, meta-analysis and meta-regression analysis is used to quantify the association between unions...

L'etape preliminaire a toute recherche consiste a examiner la litterature portant sur son objet d'etude. Une des formes que ce processus peut prendre consiste a generaliser les resultats d'etudes singulieres, c'est-a-dire realiser une revue integrative de la litterature. Cette demarche de...