This book is written in commemoration of Karel Jansen. It was originally planned as a Liber Amicorum for his retirement in 2011 to honour a valued and productive colleague, teacher and researcher. After Karel's sudden death the contributors decided to do just that and go on with the production...

Using a gravity model for 35 countries and the years 1995-2006 we estimate the impact of regional trade agreements in Africa (in particular ECOWAS and SADC) and compare this to the a benchmark of North South trade integration (Europe’s preferential trade agreement). We find that • ECOWAS and...