BRUSSELS - BELGIUM - 01 JULY 2009 -- Presentation of the new Eurofound report 'Measures to tackle undeclared work in the European Union'. Sitting from left Dr. Piet H. RENOOY, Regionplan Beleidsonderzoek (NL), Pr. Colin C. WILLIAMS, University of Sheffield (UK), Radoslaw OWCZARZAK, Eurofound research manager, and Sylvie JACQUET from Eurofound's Brussels office. Photo: Erik Luntang/EUP-IMAGES