Maria Madlberger Interorganizational Collaboration in Supply Chain Management: What Drives Firms to Share Information with Their Trading Partners? 11 2008 conf/hicss/2008 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2008.219 db/conf/hicss/hicss2008.html#Madlberger08