This book contains a theoretical and empirical analysis of the sources of technological change and economic growth. The first part takes an aggregate view at the growth process. Scale economies and knowledge spillovers are analysed with a broad panel of sectoral data for Germany and the United...

This paper constructs a two-country model to investigate how tariff policy influences productivity growth through adjustments in industry location patterns. The locations of production and innovation are determined based on trade barriers and imperfect knowledge dissemination. Tariff policy has...

Defensive innovations in developed countries can explain the empirical phenomenon that openness towards trade with less-developed countries does not necessarily induce a substantial increase in the wage differential and trade volumes. Building on step-by-step innovations as introduced by Aghion...