Are Consumers Myopic? Evidence from New and Used Car Purchases." Busse, Meghan, Christopher R. Knittel, and Florian Zettelmeyer. The American Economic Review Vol. 103, No. 1 (2013): 220-256.
Automobiles on Steroids: Product Attribute Trade-offs and Technological Progress in the Automobile Sector." Knittel, Christopher R. The American Economic Review Vol. 101, No. 7 (2011): 3368-3399.
Price Ceilings as Focal Points for Tacit Collusion: Evidence from the Credit Card Market." Knittel, Christopher R. and Victor Stango. The American Economic Review Vol. 93, No. 5 (2003): 1703-1729.