Helga Kristjansdottir University of Akureyri   dr.helga.kristjansdottir@bc.edu Akureyri, Akureyri 600 Iceland   helga@unak.is   https://www.unak.is/is/moya/ugla/staff/helga-kristjansdottir           JEL Areas: C1 : Econometric and Statistical Methods: General F1 : Trade: General