Affiliation: | (1) Steunpunt O&O Statistieken, K.U. Leuven, Dekenstraat 2, B-3000 Leuven, Belgium;(2) SPRU, Freeman Centre, University of Sussex, Brighton, East Sussex, BN1 9QE, UK;(3) Institute of Strategy and International Business, Helsinki University of Technology, PL 9500, FIN-02015, TKK, Finland |