A discussion on a country's development and economic growth is often related to its interconnectedness with other countries. Whereas there are several measures of countries' interconnectedness presented in the literature, few of them are asymmetric or time-varying. We propose a new, so called...

Richer people are happier than poorer people, but when a country becomes richer over time, its people do not become happier. This seemingly contradictory pair of findings of Richard Easterlin has be-come famous as the Easterlin Paradox. However, it was met with counterevidence. To shed more...