LETTERS TO THE EDITOR: MEASURING RETAILING'S CONTRIBUTION...CAUTION ON RFID

Measuring Retailing's Contributionculating the contribution food retailing makes to society [editorial "Food Retailing's Contribution to Society Is Little Known," SN, Sept. 20, 2004], I would like to suggest a relatively straightforward approach that could help capture the proper magnitude of food retailing's substantial contribution to society.It's an approach that I've seen applied convincingly