Barros, Geraldo; Martines, Joao - International Association of Agricultural Economists - IAAE - 1989
This paper analyzes the farm, wholesale, and retail price series of nine agricultural prcxiucts (rice, beans, maize, soyabeans, potatoes, onions, bananas, tomatoes, and oranges). Causality analysis is carried out to determine the possible existence of a market level that systematically tends to...