the family ARCH as analysis tool with relationship to the behavior of the return of the cocoa, of the fatcow, of the … coffee, Brazilian traditional agricultural commodity, serving as aid for the agents decision in the purchase and sale of … volatility. The markets are asymmetric for the return of these commodities. For the future market of the fat ox and of the cocoa …

protection systems, has received rare attention in the cocoa and coffee sub-sectors. This study examines the contribution of … mobile phone technology in reducing price distortions in cocoa and coffee production. In addition, we tested stylized facts … distortion in the cocoa and coffee industries. …