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...

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...

The objective of this article is to investigate whether, despite of the goal of utility maximization defended by the neo-classic economic theory, the altruism can prevail inside organizations. Initially, one brief discussion of the altruism will be presented, analyzing this concept from some...