The changes that are taking place recently in the Brazilian economy raise some questions about its future. The goal of this paper is to analyze the differences in the productive structure in the Brazilian economy and five macro regions for the years of 1985, 1990, and 1995, using some...

Greenhouse gas reduction and energy consumption are becoming two important issues in both industrialized and developing countries, and policy makers are developing means to reduce total domestic energy use. We evaluate and compare the direct and the indirect energy consumption both in the...

This paper models a dynamic scholar’s allocation of time between academia and professional activities outside academia, given the academic labor market and social interactions. The model shows how particularly in less developed countries business and political networks may have large negative...

When focusing on firm’s risk-aversion in industry equilibrium, the number of firms may be either larger or smaller when comparing market equilibrium with and without price uncertainty. In this paper, we introduce risk-averse firms under cost uncertainty in a model of spatial differentiation...

This paper modifies a standard model of law enforcement to allow for learning by doing. We incorporate the process of enforcement learning by assuming that the agency’s current marginal cost is a decreasing function of its past experience of detecting and convicting. The agency accumulates...

This work analyzes how changes in domestic and foreign macroeconomic variables can impact the Brazilian meat exports and consequently the Brazilian economy. This study is conducted mainly in two stages: a) a Vector Auto-Regression (VAR) model is used to evaluate the impact of changes in the...

In the last couple of decades, production processes have been characterized by their fragmentation, which crosses the borders of countries more and more. This coincides with the common viewpoint that products and services are now made in global value chains and that ‘trade in value added’...

Using the principal-agent- supervisor paradigm, this paper examines the occurrence of collusion in a setting where the principal has no information about the supervisor and the agent does not necesarily know the supervisor’s preferences.We formally prove the occurrence of collusion is more...

The milk and dairy products sector is found nationwide and it is important for jobs, income and taxes. Yank and Galan (2000) claim that it is one of the three main Brazilian agribusiness systems. According to IBGE, the dairy industry generated 65,400 direct jobs and bought fresh milk from about...

We propose a dynamic efficiency wage model with learning by doing. By taking into account the change inthe stock of workers’ knowledge, firms set efficiency wages such that the effort–wage elasticity is not in general equal to one.