One of the most studied topics in the corporate finance literature is the effect of financial constraints on firms' investments decisions. Trying to explain this issue, Almeida, Campello andWeisbach (2003) modeled the relationship between the financial constraints faced by firms and their demand...

The present article intend to verify the presence of speculative rational bubbles, starting from the identification of switching regime of the returns generation process in the brazilian market exchange, BOVESPA, for the Plano Real period (July of 1994 to March of 2004). In order to achieve this...

We take small steps towards the approximation between economic analysis and the science of climate forecasting in the formulation of policies to alleviate the impact of climatic shocks. We do so by estimating the relationship between climate variables and corn production in Ceará, an important...

Considering the rise of the discussion about the rethoric of economics at the beginning of the 80's, the present paper aims to show: 1) the relation between the origin of this issue in the academic field and the ascension of the so labeled "neoliberalism" as a doctrine and a collection of...

This work studies the appearance of non exclusive fuel resaling firms, unbranded resale firms, which don't carry any connections to fuel distributors. In this sense, a simple strategic model was consolidated, in which the only asymmetric information relates to the contracts settled among...

Leniency programs have shown to be an important tool to fight cartels. By reducing fees or guaranteeing imunity against criminal prosecution, leniency programs provide incentives to cartelized firms to reveal the cartel activities. We reveal the recent literature on leniency programs as well as...

The real Brazilian tributary system presents a series of problems and despite everybody knows that a changing is necessary, it was not yet done. A lot of efforts is realized trying to evaluate the impacts of different proposals of tributary system alteration but their results are not persuasive...

This article aims at verifying the potential effect of federal income transfer programs created over the last few years on poverty as measured by the income criterion. The indicators do not reflect actual results; rather, they refer to impact simulations had the programs been applied to their...

In this paper, we aim to analyze the consequences for the competition as regards the purchase of control of COPENE by the BRASKEM group. Specifically, such operation increases the degree of horizontal concentration in Brazilian Polyethylene market (PEAD, PEBD,PEBDL), as well as the vertical...

The economic literature contains extensive discussions on relationship between foreign constraints and economic growth. Since the beginning of the 1990's one debate concentrates on the nature of macroeconomic policies to expand domestic demand in Brazil in an environment of capital flows...