Some African food markets can still seem to operate inefficiently after price liberalisation. This seems mainly due to the existence of significant transaction costs because of small-scale operations, and is influenced by lack of grading, deficient infrastructure and information systems. It is...

This empirical paper analyzes the existence (and persistence) of price dispersion in the Spanish food retail market as well as the extent to which search costs and vertical product differentiation contribute to explain that price dispersion. Our data set comprises six months of daily prices from...