Frequent Shopper programs are becoming ubiquitous in retailing. Retailers seem unsure however about whether these programs are leading to higher loyalty, or to higher profits. In this paper we analyze data from a US supermarket chain that has used a number of frequent shopper rewards to improve...

ViniBrasil is a small wine venture in Brazil started by a top Portuguese wine company, Dao Sul. ViniBrasil grows its grapes in a novel environment (close to the equator) using innovative management practices such as controlled irrigation and year-round harvesting. ViniBrasil 'Rio Sol' wines,...