A client fires his financial adviser because his returns lag the market and the returns of his best friend.An adviser constructs portfolios from low-cost index funds, and his clients question why he trades so infrequently—only once a quarter when he rebalances portfolios.An organizer of a...

Society drifts apart in many dimensions. Economists focus on income of the poor and rich and the distribution of income but a broader spectrum of dimensions is required to draw the picture of multiple facets of individual life. In our study of multidimensional polarization we extend the income...

The Coronavirus disease 2019 (Covid-19) crisis and the subsequent lock-downs of large parts of humanity have triggered and renewed fundamental questions about the true finality not only of the economy but also of human existence, many of which were initiated well before this crisis. Among those,...