This paper provides a summary measure of the possible new commitments in the area of market access undertaken by the European Union and the United States, using the Trade Restrictiveness Index (TRI) as the tariff aggregator. Indicators such as the TRI, based on welfare theory, integrate economic...

A collection of eighteen articles have been purposely chosen to demonstrate the development of the original and significant contributions of my research over the period 1990 to 2008. Despite the relatively large number of articles, which cover a range of related issues, there is a surprisingly...

Prepared for the COMESA policy seminar on“Variation in staple food prices: Causes, consequence, and policy options”,Maputo, Mozambique, 25-26 January 2010under the Comesa-MSU-IFPRI African Agricultural Marketing Project (AAMP)

Paper to be presented at the Comesa policy seminar“Food price variability: Causes, consequences, and policy options"on 25-26 January 2010 in Maputo, Mozambiqueunder the Comesa-MSU-IFPRI African Agricultural Markets Project (AAMP)