"There has been much concern about Africa's recent export performance. Even though tariff and non-tariff barriers to trade have been falling, Africa's share of world exports has declined and most African countries remain highly dependent on a narrow range of primary commodities for export...

November 1999 - A highly diversified trade tariff menu may fuel bribe-taking behavior. Setting trade tariff rates at a uniform level limits public officials' ability to extract bribes from importers. By explicitly accounting for the interaction between importers and corrupt customs officials,...

Cost cap tariffs are pay-per-use tariffs for which costs cannot exceed a predefined cost limit. They were recently introduced to telecommunications markets, but were previously also applied in the insurance industry as deductibles or in the rental industry as day rates. This paper develops and...