Affiliation: | (1) Faculty of Economics and Business Administration, University of Maastricht, P.O. Box 616, Maastricht, 6200 MD, The Netherlands;(2) Centre for Advanced Small Business Economics (CASBEC), Erasmus University Rotterdam, P.O. Box 1738, Rotterdam, 3000 DR, The Netherlands;(3) EIM, P.O. Box 7001, Zoetermeer, 2701 AA, The Netherlands |