build a framework with entry, imperfect competition, heterogeneous households, and incomplete markets. Recent trends in … restrict competition. Those trends account for 11% to 22% of the increase in income inequality observed between 1989 and 2007 … transition from a high to a low competition environment. These are either the wealthy, or agents with low productivity relative …

from technological competition did not have a strong effect on the increase of the wage differential between the different …