 Sourcing business models are targeted for procurement professionals seeking a modern approach for achieving the best fit between buyers and suppliers.Sourcing business model theory is based on a collaborative research effort by the University of Tennessee (UT), the Sourcing Industry Group (SIG) the Center for Outsourcing Research and Education (CORE), and the International Association for Contracts and Commercial Management (IACCM).Their initial research formed the basis for the 2015 book, "Strategic Sourcing in the New Economy