We provide macro evidence that in the long run the trends of social capital are a strong predictor of the trends of subjective well-being. Our measure of social capital is the individual membership in groups or associations. We apply the bivariate methodology used in Easterlin and Angelescu...

Starting from the known results of Perron (1907) and Frobenius (1912) I apply graph theory to give an economically intuitive characterization of imprimitivity. Such property implies cyclical vertical relationships among groups of industries which, either directly or indirectly, use each...