Schulte, Christoph (1) Heij, Christiaan (associate Professor At The Econometric Institute, Boer, Paul De (assistant Professor At The Econometric Institute, Franses, Philip Hans (professor Of Applied Econometrics And Professor Of Marketing Research (1) Auteurs, Diverse (1) Keuning, Nico (1) Beelen, Hans, Korte, Ko De, Raa, Fineke Te (1)