Time is often used as a differentiating factor in several service operations contexts by service providers (SPs) who prioritize their customers. We investigate the competition between two SPs involving a three-stage game. In the first stage, the SPs decide whether single service, in which...

We consider a firm that sells a product with a short life cycle to time-sensitive customers. The customers' product valuations decrease over time and they are grouped into different classes according to their delay sensitivities, the marginal decrease of their product valuation over time. The...

A service provider/retailer offers ancillary service (e.g. shipping by an online retailer) to two types of customers, impatient and patient, who may be heterogeneous both in their delay sensitivities and service valuations. She can use prioritization and/or strategic delay to differentiate them...

Many firms do not just sell products or services but solutions, integrated combinations of products and services. We analyze the competition between two solution providers (SPs) who sell to taste-heterogeneous customers. We model taste heterogeneity by having three types of customers. Type 1...

This paper examines different car-sharing models offered by ride-hailing firms. In the traditional car-hailing model, customers are served individually by taxis or private cars. In the sharing-only model, all customers are willing to share the ride with other customers. In the hybrid model,...

The supply chain of a retailer selling a perishable product with a shelf life of two periods is modeled over an infinite horizon. In each period, the retailer has the option to sell old (leftover inventory from previous period) and new (produced fresh at the beginning of the period) products....

We consider the work flow in a medical teaching facility, examining the process that involves an initial patient exam by a resident physician, a subsequent conference between the resident and the attending physician, and the attending physician’s visit with the patient. We create an analytical...