This thesis investigates the political economy of employment polarization focusing on the implications of this phenomenon along three main research fronts. The first paper follows a methodology which resembles closely the one adopted by Goos, Manning and Salomons (2014), however it further extends this framework by testing the joint effect of routinization and labour market institutions on employment structures. The evidence provided suggests that the claim of a pervasive technology-induced polarization should be revised in order to comprise a role for the institutional component. The second paper explores whether job polarization has a feedback effect on labour market institutions and policies, so that different degrees of polarization lea...