The biggest drawback of online shopping lies in consumers' uncertainty about the product. Before making a purchase decision, consumers receive product information from many sources which helps them infer whether a product meets their preferences. This information constitute a positive or a...

Many models in operations management assume that faced with excess inventory, retailers offer price discounts to increase sales. This discount is assumed to be a certain dollar amount per unit or a certain percent of the regular price. However, many retailers use nonlinear pricing, e.g. "Buy...