Breaking the chain: GPO changes and hospital supply cost efficiency

The use of group purchasing organizations (GPOs) as a supply chain intermediary is a long-standing and strategic approach to enhancing supply cost efficiency in U.S. hospitals. As a consequence, a hospital's decision to reconfigure its GPO network can have critical ramifications for the hospital's supply cost performance. In this study, we conceptualize possible GPO changes as structural and relational and investigate the impact of GPO changes...