Eika, Lasse; Mogstad, Magne; Zafar, Basit - 2014
income inequality. To these ends, we use rich data from the United States and Norway over the period 1980-2007. We find … evidence of positive assortative mating at all levels of education in both countries. However, the time trends vary by the … level of education: Among college graduates, assortative mating has been declining over time, whereas individuals with a low …