Price wars usually end up hurting everyone, eroding the pricing power of an entire business, but...

|By:, SA News Editor

Price wars usually end up hurting everyone, eroding the pricing power of an entire business, but Amazon.com (AMZN) and Wal-Mart (WMT) tried something new with their battle over books: making others bear the costs, notably big booksellers and brick-and-mortar retailers.