The basic hypothesis of this study is that producers do not realize, individually,the importance of adopting preventive measures, even aware of the economic risks for themand for the local economy, because outbreaks of some diseases are not frequent. Moreover,the presence of externalities makes...

Fruit production is an activity of great importance in the Braziliancommercial balance and even more in the Northeastern region.Intermediation is a regular practice in the fruit exporting market due toexistence of requirements, such as quality certificates, and of internalproblems in production...

This study objective at investigating the Brazilian soybean complex in the period 1990 to 2006, using the theoretical model of Brander-Spencer (1984) and the instrument of strategies based on game theory. The methodology used to estimate the payoffs of the game between Brazil and the United...

This work is divided into two complementary parts. In the first part, we develop a partial equilibrium model, through which it is possible to analyze the influence of tariff modicity and the illegal occupation of poles on four agents: energy distributors, telecommunications operators, and energy...