Large variation exists in the extent to which national interest groups focus on European Union (EU) legislation and carry out their political activities in Brussels and Strasbourg. What explains this variation? We propose a series of hypotheses that suggest that business groups, and groups...

The proliferation of bilateral and regional trade agreements has arguably been the main change to the international trading system since the end of the Uruguay Round in the mid-1990s. We argue that investment discrimination plays a major role in this development. Preferential trade agreements...

Preferential trade agreements (PTAs) have been proliferating for the last twenty years. A large literature has studied various aspects of this phenomenon. Until recently, however, many large-N studies have paid only scant attention to variation across PTAs in terms of content and design. Our...