We examine the critical role of advance supply signals - such as suppliers' financial health and production viability - in dynamic supply risk management. The firm operates an inventory system with multiple demand classes and multiple suppliers. The sales are discretionary and the suppliers are...

In a multi-stage model of a bilateral supply chain, we study two postponement strategies that the downstream retailer may deploy to mitigate the supply yield risk originated from the upstream production process. The retailer could either postpone the procurement payment until after the yield is...