KATHOLIEKE UNIVERSITEIT LEUVEN DEPARTEMENT TOEGEPASTE ECONOMISCHE WETENSCHAPPEN RESEARCH REPORT 0244 DO SCIENCE-TECHNOLOGY INTERACTIONS PAY OFF WHEN DEVELOPING TECHNOLOGY? AN EXPLORATORY INVESTIGATION OF 10 SCIENCE- INTENSIVE TECHNOLOGY DOMAINS by B. VAN LOOY E. ZIMMERMANN R. VEUGELERS A.VERBEEK K. DEBACKERE 0/2002/2376/39