Kox, Henk L.M. and Rubalcaba, Luis (2007): Analysing the contribution of business services to European economic growth. Unpublished.
Kox, Henk L.M. and Rubalcaba, Luis (2007): Business services and the changing structure of European economic growth. Published in: CPB Memorandum , Vol. 183, (04. July 2007)
Kox, Henk L.M.; Leeuwen, George van and Wiel, Henry van der (2010): Competitive, but too small - productivity and entry-exit determinants in European business services. Unpublished.
Kox, Henk L.M. and Lejour, Arjan (2006): Dynamic effects of European services liberalisation: more to be gained. Published in: Globalisation Challenges for Europe, Secretariat of the Economic Council, Prime Minister's Office, Helsinki , Vol. Vol. 1, (September 2006)
Kox, Henk L.M. and Rojas Romasgosa, Hugo (2010): Exports and productivity selection effects for Dutch firms. Unpublished.
Kox, Henk L.M.; Leeuwen, George van and Wiel, Henry van der (2007): Market structure, productivity and scale in European business services. Unpublished.
Kox, Henk L.M. and Leeuwen, George van (2012): Measuring dynamic market selection by persistent scale inefficiencies - applied to EU business services. Unpublished.
Kox, Henk L.M. and Leeuwen, George van (2011): Measuring dynamic market selection by persistent scale inefficiencies - new methodology applied to EU business services. Unpublished.
Kox, Henk L.M. and Nordås, Hildegunn Kyvik (2007): Services trade and domestic regulation. Unpublished.
Kox, Henk L.M. (2011): The future of the fence around the European labour market. Unpublished.
