This paper argues that the growth of large, efficient but anticompetitive superstar firms is responsible for the recent slowdown in US economic growth. The argument is based on the growth theory that we have previously developed and tested, which is based on the concept of creative destruction

Have Irish, German or Italian settlers arriving in the US at the turn of the 20th century left an institutional trace which determines economic development differences to this day? Does the national origin of migrants matter for long-term development? This paper explores whether the distinct...