You've heard about business-to-business (B2B) and business-to-consumer (B2C) retailing. So what is CSC -- consumer-to-consumer -- all about? Terry Esper, associate professor in the Department of Supply Chain Management at the University of Arkansas, explains.

Supporting the many different channels through which today's consumers shop for, purchase and return products presents tremendous challenges and opportunities for retailers, says Annibal Sodero, assistant professor at the Sam Walton College of Business, University of Arkansas.