Este artigo analisa, através de dados intradiários, coletados minuto a minuto, o efeito do dia de vencimento de contratos de opções de compra de ações sobre a negociação das ações subjacentes negociadas na Bolsa de Valores de São Paulo. Para tanto, foram usadas as séries de opções...

This research considers a mathematical model for pricing the procrastination option. The concept of procrastination will be discussed from the point of view of Psychology, Economy, Finance and Strategy. The maximum limit of the strategy of procrastination will be investigated, considering the...

English Abstract: The long-horizon event study methodology is used to document the severe impact of the US subprime mortgage crisis on the Colombian economy. The estimated parameter of a constant mean return model is used to derive the “abnormal return” on the market portfolios of Colombia...

Portuguese Abstract: Neste artigo investiga-se o que determina o fluxo de recursos para fundos de investimentos brasileiros. Constata-se que investidores são mais atentos ao risco de mercado (beta) ao avaliar fundos, enquanto tendem a atribuir o retorno de fatores como tamanho, valor, momentum,...

Since the beginning of the 90's the New Economic Geography (NEG) has been a theoretical reference for several researches on regional and urban economics. The main task of this paper is to present a critical assessment of the NEG approach, which has in the book The Spatial Economy, by M.Fujita,...

Brazil has one of the most extensive public program for organ transplantation in the world, and the Brazilian National Health System (SUS) provides full coverage procedures related to organ donation, transplants, and post-transplant. Despite the relevance of the subject and the existence of long...

Determining the social cost of deforestation in each Brazilian biome is an important task to support public policy and the decision-making process. This work summarizes the economic valuation estimates of vegetation cover found in the literature for each Brazilian biome. A systematic literature...

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...

This work assesses the possibilities of including distributive considerations into cost-benefit analysis (CBA), it summarizes the favourable and contrary arguments existing in the literature, as well how it can be done. A survey is also carried out on how the topic is treated by agencies and...

The study analyzed the growth of agricultural activity in the Amazon region and the consequent increase in deforestation. In addition, it was investigated whether the difference in land productivity observed in agriculture in the region of the Legal Amazon can be justified by low efficiency and,...