migration and trade and their effects on unemployment (chapter 5), and the dynamics of democracy and income chapter 6). … der Maquiladora-Industrie in Mexiko (Kapitel 4), dem Zusammenspiel von Migration und Handel und deren Auswirkungen auf die …

's productivity. The estimates suggest that the return to education is about 60% of the observed difference in earnings. The third …The dissertation is concerned with the empirical relationship between educational attainment and earnings. Workers with … higher education on average have higher wages, however the difference in earnings can not be entirely attributed to education …