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...

Retailers often offer price and quantity promotions to customers during clearance sales. In a price promotion, they offer discounted unit prices. In a quantity promotion, they usually offer a buy-one-get-one free (BOGO) or buy-two-get-one free (BTGO) policy. Under BOGO, customers buying one unit...

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...

Much of the literature on product line design or product line selection focuses on revenues or market share maximization, but in many cases, the true objective is to maximize profit. In this paper, we survey the literature on models that address decisions regarding the conceptual design of...