This Ph.D. dissertation is a result of hard work, dedication and effort on my part as well as many other people, in special the two promotors of this Ph.D. study. First, I would like to thank God for enlightening me and everyone around me including my family, professors and colleagues. I dedicate this Ph.D. dissertation to my grandparents, Joaquim and Adélia, who, although they are not present in life, certainly, are very happy and proud of this achievement. And to Grandma Maria, who despite the long distance during this years that I have been living in Sao Paulo, I believe she is very happy to have a grandson reaching this academic degree and who will follow a teaching career. I also dedicate this Ph.D. to my parents, Paulo and Berenice, for providing me with values to which I mirror my attitudes, for guiding me and for unconditionally supporting my decisions and to my brother Gustavo, for being a symbol of dedication to me. I dedicate this Ph.D. to Marcela, for sharing all the moments with me during all these many years and for encouraging and motivating me in every step that I take. To her family for supporting us in the pursuit of our goals. My gratitude also goes to Aunt Consola and Uncle Júlio, for giving me the opportunity to be with them more intensely in these last years, providing me with care and advise that I carry for life. To my uncles and cousins, and my family for all their support. Particularly, I would like to thank my promotors for their support to develop this Ph.D. dissertation. Prof. Fábio Frezatti, who in the last almost six years has been sharing his knowledge and experience with me, providing me with advices that I carry in my career and life. Prof. Ann Jorissen, who accepted to guide my Ph.D. project and provided me with unique insights and with the opportunity to develop the doctoral thesis jointly between USP and the University of Antwerp. I feel privileged to have two promotors with numerous professional, academic and personal qualities, and for being involved in the development of this Ph.D. dissertation. I also would like to thank all those directly and indirectly involved in the implementation of the joint Ph.D. agreement in USP and in UAntwerpen, specially Cida, Ana Paula, and Adriana from USP and Esmeralda Aerts from UAntwerpen. This experience and interaction were very important for my training and for the quality of this Ph.D. dissertation. Many thanks to my colleagues from FEA/USP, for sharing knowledge and experiences during the courses and activities. In particular, to Bianca, Samantha, Franciele and Daiana for supporting me during the courses and in this Ph.D. dissertation. To the professors of the Accounting and Actuarial Department at the FEA/USP for providing me with knowledge and expertise in accounting topics. I also appreciate my colleagues and professors from the University of Antwerp for welcoming me into their Department. Especially my thanks to Poppy, Veronique, Robin, Oveis, Gertjan, Sabine, Caroline and all the colleagues and professors with whom I had the oppor...