First Author:   Atle Guttormsen Researcher, Department of Economics and Social Sciences, Agricultural University of Norway atle.guttormsen@ios.nlh.no   Department of Economics and Social Sciences, ,, Agricultural University of Norway, Box 5033, N-1432 Aas , Norway   47 64 94 86 34(Phone) 47 64 94 86 34(Fax) Second Author: Sigbjørn Tveterås Researcher, Centre of Fishery Economics, Norwegian School of Business Administration sigbjorn.tveteras@tb.his.no   Box 2557 Ullandhaug, N-4091 Stavanger , Norway       Third Author: Frank Asche Professor, Stavanger University College and Centre for Fisheries Economics, Norwegian School of Economics and Business Administration frank.asche@snf.no   Box 2557 Ullandhaug, N-4091 Stavanger , Norway   47 51 83 22 86(Phone) 47 51 83 17 50(Fax)