In this dissertation I investigate the quantitative importance of embodied technical change as a source of the sharp rise in wage inequality occurred in the U.S. economy in the past 25 years. The essays in this thesis identify a pair of economic mechanisms that, given an acceleration in...

We study the causes and the consequences of limited risk sharing in two areas macroeconomics: the transmission of international business cycles and the welfare effect of taxes. The first two chapters focus on international business cycles, since earlier work has shown that models with perfect...