Purpose - In 2009, U.S. coupons set a new record of 367 billion coupons distributed. Yet, while coupon distribution is on the rise, redemption rates remain below 1%. This article shows how recognizing context variables, such as proximity, weather, part of town and financial incentives interplay...

Internet auctions have become very important for B-2-C E-Commerce. With 56 million active users, eBay alone generates a 34 billion in turnover per annum [Ebay05, 2]. Typically, forward auctions with an ascending- bid mechanism are employed in B-2-C or C-2-C environments. Sellers initiate...