Acknowledgements Acknowledgements

During the writing of this thesis, a number of individuals have been essential for the completion of it. We would like to show our sincere gratitude and appreciation to the people that have helped us during the process of writing, making this thesis possible. First of all, we would like to thank our supervisor Tim Foster for his continuous support and aid. We would also like to thank all companies that have taken the time to participate in our research. Without them, this thesis would not have been possible to complete. Fredrik Backert would like to give his deepest thanks to close ones, who have stood by him during ups and downs during these ten weeks. Their support and encouragement gave the strength to successfully bring this thesis to an end. Håkan would like to thank Anna Ihme, without whom we would have been in a world of trouble, Lennart Carlsson, and Lars-Gunnar Danielsson. Thank you for the support and help along the way. Finally, Håkan would like to thank his friends and family for the continuous support along the way