This paper approaches the risk management as a decision making process in which the best solution to an exposure is found and implemented. Such a process includes five stages: identifying the risk, assessment of exposure, analysis of the alternatives to deal with the exposure, adopting the...

Efficient Market Hypothesis states that financial markets react instantaneous and unbiased to new information. However, in the last decades empirical researches revealed some anomalies in investors reactions to the events that caused shocks on the financial markets. There are two main hypotheses...