Helterlin and Nuno Ramalho
Acknowledgements
We would like to express our gratitude to all who have contributed to the realization of this
Master Thesis. A warm thank to our supervisor, Håkan Bohman from USBE (Umeå School of
Business), for his guidance, his precious help and his advises during the last months.
To Mr. Lundvall, from LFV (Luftfartsverket), Mr. Valinger from