E-Mail IMAGE: Sandy Dall'Erba and Claudia Montania, University of Illinois, developed a dynamic model to identify global supply chain linkages. view more Credit: College of ACES, University of Illinois URBANA, Ill. ¬- In today's global economy, production of goods depends on inputs from many trade partners around the world. Companies and governments need a deeper understanding of the global value chain to reduce costs, maintain a profitable production system, and anticipate ripple effects of disruptions in the supply chain. Applied economists from the University of Illinois have developed a new model for in-depth analysis of global supply chain linkages across countries and industries, providing a rich tool that delivers valuable insights for businesses and policy makers around the world.