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

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

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