Closer vertical co‐ordination of supply chains is becoming a prevalent feature in the agri‐food sectors of many countries. Presents a framework within which to analyse these changes. The framework links drivers for change to product characteristics, which in turn affect transaction...

The announcement in February 1997, that scientists at the Roslin Institute, Edinburgh and at PPL Therapeutics had successfully cloned a sheep from another adult sheep raised many interesting questions. Ignoring the hotly debated and important ethical issues, this note explores the potential...