Blar i Artikler, rapporter og annet (HHN) på forfatter "Helo, Petri"
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Dissimilarities between the national cost/benefit models of road projects : Comparing appraisals in Nordic countries
Hanssen, Thor-Erik Sandberg; Helo, Petri; Solvoll, Gisle; Westin, Jonas; Westin, Lars (Peer reviewed; Journal article, 2020)The Nordic Council has a vision to create the most integrated region globally by 2030. Nevertheless, Nordic cross-border infrastructure projects are generally developed by each nation individually. Joint Nordic infrastructure ...