[1] Ctr Appl Res NHH SNF, Helleveien 30, NO-5045 Bergen, Norway
[2] Univ Agder, Sch Business & Law, Postboks 422, N-4604 Kristiansand, Norway
[3] Ctr Corp Governance, Copenhagen Business Sch, Dept Accounting, Solbjerg Plads 3,C5 09, DK-2000 Frederiksberg, Denmark