1. Faculty of Education and Business Studies, Department of Business & Economic Studies, University of Gavle, SE-80176 Gavle, Sweden
2. Department of Real Estate and Construction Management, School of Architecture and the Built Environment, KTH—The Royal Institute of Technology, SE-10044 Stockholm, Sweden
3. Umeå School of Business, Economics and Statistics, Umeå University, SE-90187 Umeå, Sweden