The impact of unions on productivity growth has received extensive attention from researchers in industrial relations and economics. Despite a voluminous literature, controversy continues regarding the effect of unions on productivity growth. In this paper, meta-analysis and meta-regression...

A number of conflicting theoretical hypotheses have been advanced regarding the impact of unions on investment behavior. The net impact of unions on investment is thus an empirical issue. In this paper the available empirical literature is reviewed. In addition, new evidence of the impact of...

The impact of unions on profitability is investigated through a comprehensive meta-analysis and meta-regression analysis of the available literature. Drawing upon 57 published empirical studies, with 91,200 observations, the paper establishes a negative and statistically significant union-profit...