It is widely believed that happiness is strongly correlated with wealth and income, but according to the happiness–income paradox, this is not always true. The paradox predicates that there is a strong positive correlation between income and happiness nationally, but the correlation is...

Informality is a wide-spread phenomenon across the globe. We show that firms in countries with better information sharing systems and greater financial sector outreach evade taxes to a lesser degree, an effect that is stronger for smaller firms, firms in smaller cities and towns, and firms in...

When comparing sensitivities and specificities from multiple diagnostic tests, particularly in biomedical research, the different test kits under study are applied to groups of subjects with the same disease status for a disease or medical condition under consideration. Although this process...