"Until recently there has been limited discussion about agricultural marketing in Peru. Despite elimination of certain restrictions, the market's efficiency has not improved. This work analyzes market imperfections due to both existing noncompetitive structures and the presence of...

This article is the first working paper of the Researching Center for Agricultural Sciences and Applied Economic. It is a contribution for the INTA Nicaragua.

This research was conducted in shops self-service of Pachuca and local commerce ofZacualtipán, were recorded prices of 24 products: rice, tortilla, tomato, lemon, jalapeno chile,milk, eggs, ham, sausage, beef, chicken meat, toilet paper, soap powder, toilet soap, toothpaste,beans, onions,...