July 2013
Intermediate to advanced
7 pages
24m
English
BY ERIK BRYNJOLFSSON, YU JEFFREY HU AND MOHAMMAD S. RAHMAN
Brandon McDonald, of Nashville, Tennessee, visited a local Best Buy to purchase a digital single-lens reflex camera. After browsing through the available products, he decided that he liked the Nikon D5100. To verify the price, he scanned the barcode with the RedLaser app on his smartphone. McDonald found that Amazon.com’s price was lower than Best Buy’s, so he purchased the camera from Amazon using his phone as he stood in the store. Although he and his wife had intended to ...
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