Information sharing in extended supply chains : why does it have to be so difficult?
Theory and practice present opposing views on whether or not companies should strive for multi-tier information sharing (MTIS) in supply chains. The purpose of this study was to identify and explore factors that influence MTIS. We performed a longitudinal Delphi study with 29 supply chain experts, including in-depth interviews and quantitative as well as qualitative analyses. Twelve contextual fac
