In a recent paper, García-Mainar and Montuenga-Gómez (2005) apply the generalized IV model of Hausman and Taylor to estimate education returns of wage earners and the self-employed in Portugal and in Spain. Our examination reveals several problems which relate to the validity and documentation...

We investigate to what extent tolerance, as measured by attitudes toward different types of neighbors, affects economic growth. Data from the World Values Survey enables us to investigate tolerance–growth relationships for 54 countries. We provide estimates based on cross-sectional as well as...

Research indicates that education quality - measured by test scores in international student surveys - predicts economic growth. In this paper, we extend previous findings up to 2016 and analyse test scores of upper-secondary school students only. We find that the positive relationship between...