Barbara Kahn of the Wharton School talks about her research on product placement during the holiday shopping season.
http://www.philly.com/philly/business/Super-Saturday-to-surpass-Black-Friday.html Philadelphia InquirerBarbara Kahn of the Wharton School talks about her research on product placement during the holiday shopping season.
http://www.philly.com/philly/business/Super-Saturday-to-surpass-Black-Friday.html Philadelphia Inquirer