Sweepstakes and contests are an extremely common promotional strategy used by firms. The sweepstakes and contests often differ significantly in the design of reward structure. For example, in 1999, Godiva Chocolates conducted a sweepstakes where one box of chocolates contained a diamond...

This paper investigates the dynamic relation between callers' socialties and their wireless phone service consumption. We construct a largepair-level panel dataset with information on the number of each pair'scommon contacts, calling activities, prices, and each caller'scharacteristics over a...

Wireless number portability (WNP) is a telecommunication regulatory policy that requires cellular phone service providers to allow customers who switch service subscriptions to retain their original phone numbers. The right to retain the number lowers the switching cost for a consumer. Thus, the...

We consider the case of a first-time interaction between a buyer and a supplier who is unreliable in delivery. The supplier declares her estimate of the ability to meet the order obligations, but the buyer may have a different estimate, which may be higher or lower than the supplier's estimate....

Rewarding customers with own products or services has become an increasingly popular practice across a spectrum of industries such as airlines, hotels, and telecommunication. In these service industries, firms face demand uncertainty and strict short-term capacity constraint. When the market...