In rental information goods supply chain, such as movie DVDs and computers games, the retailer decides on the quantity of DVDs to purchase from the supplier, the rental fee, and the maximum rental duration. These decisions are directly affected by the price the supplier charges the retailers for...

Responding to true emergencies in the shortest possible time saves lives, prevents permanent injuries and reduces suffering. Most covering models consider an emergency cover if an ambulance is available within a given time or distance threshold. From a modeling perspective, shorter or longer...

Some manufacturers sponsor “free” retailer gift cards to be given to consumers who purchase their products. These gift cards are paid for by the manufacturer and are redeemable on all products at the retailer. We develop a model of such a supply chain. We analyze cases in which the gift...