Researchers’ enthusiasm for estimating industry oligopoly power in developing countries is often not matched with availability of data. Even when available, data are often incomplete, inconsistent, too aggregated, and almost always collected by government agencies for purposes different from...

1. Introduction -- Section I the distribution of foodstuffs -- 2. Costa rica -- 3. Armenia -- 4. Mali -- 5. Zambia -- Section II the distribution of pharmaceuticals -- 6. Jamaica -- 7. Vietnam -- Section III the distribution of services: international money transfers and tv programmes -- 8....