ii Acknowledgements

knowledge which he gracefully shared with me, and for his suggestions and criticisms that led to the enrichment of the content of this work. To Professor Luis Coelho and to all my Professors at the Master of Accounting, Taxation and Corporate Finance, a word of thanks for the knowledge imparted, which greatly contributed for the basis of my academic training. To my friends and colleagues who have always believed in me, especially under adverse situations. It is because of them that I am now able to obtain my masters ’ degree. To Moreira and Caré families, who have always treated me as a son and provided a very familiar atmosphere that greatly helped with my adjustment to this new stage in my life. Last but not least, I want to thank my family, especially my mother, for all the values that she has taught me, and for the incessant struggle over the year in order to present to me the best opportunities for my academic and professional career