TrueCar.com, an online auto shopping site, works something like an online bidding market. Consumers can compare prices between dealers for a given model and dealers therefore benefited by offering low
transaction prices. The Federal Trade Commission is investigating whether dealers colluded to hurt TrueCar Inc. in 2011 and 2012 by agreeing not to deal with the site. Dealers at that time criticized
TrueCar's business model and last year many participating dealers dropped TrueCar.
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