The objective of this paper is to examine the existence of integration in the Brazilian wholesaler tomato markets using a dynamic panel model that allows threshold effects to test the hypothesis of market convergence to the one price law. The results support the hypothesis of integration among...

This study aimed to analyze the convergence of prices in the Brazilian market for corn, using the methodology of time series analysis of Phillips and Sul (2007). The results showed that corn prices are not converging to one common level. However, the analysis suggested the formation of two...

This note discusses the contradiction between β and σ- convergence tests of agricultural per capita GDP, which was recently presented by Spohr and Freitas (RESR, vol. 49, No. 02, p. 341-368, April / June 2011). While the first type of test supports the hypothesis of convergence, the σ-...