ii Preface

To start with, I would like to say thank you very much to my supervisor Jan-Yngve Sand. Appreciate your patience on my paper and me. As I am always delaying on my submission, I really appreciate your help and your time. Thank you for helping me decides the thesis topic and helps me to make the field work looking for the thesis inspiration. Thanks for all the teachers and staffs of Business school. You made an unforgettable memory for me. Thank you for the Master Program of Economic in Business school, thanks for the chance to allow me have a unforgettable life experience in Tromsø, Norway. It has been three years after I start this master programe. It is a pleasure and relief to finish my master degree now. Thank you for my classmates who made my student life amazing. I also want to thanks for the support from my family. Thanks to my special half Julie Sandbakken who always stand behind me and show your full support. Without you, I would insist to finish this paper. Last, appreciate for all my friends ’ support, thank you for bring the joy