The effect on aid allocation of the income level and population size in the recipient country is analyzed. The data show that both variables have a significant and robust negative effect, but they explain only a small part of the variation. The main thrust of the paper is a meta-analysis of the...

This paper develops and applies several meta-analytic techniques to investigate the presence of publication bias in industrial relations research, specifically in the union-productivity effects literature. Publication bias arises when statistically insignificant results are suppressed or when...