"How Does Incompatibility Affect Prices? Evidence from ATMs."

Knittel, Christopher R. and Victor Stango. The Journal of Industrial Economics Vol. 57, No. 3 (2009): 557-582.

"Greenhouse Gas Reductions under Low Carbon Fuel Standards?"

Holland, Stephen P., Jonathan E. Hughes and Christopher R. Knittel. The American Economic Journal: Economic Policy Vol. 1, No. 1 (2009): 106-146.

"Inefficiencies and Market Power in Financial Arbitrage: A Study of California's Electricity Markets."

Borenstein, Severin, James Bushnell, Christopher R. Knittel and Catherine Wolfram. The Journal of Industrial Economics Vol. 56, No. 2 (2008): 347-378.

"Diagnosing Unilateral Market Power in Electricity Reserves Market."

Knittel, Christopher R., and Konstantinos Metaxoglou. The Journal of Energy Markets Vol. 1, No. 1 (2008).

"Evidence of a Shift in the Short-Run Price Elasticity of Gasoline."

Hughes, Jonathan E., Christopher R. Knittel and Daniel Sperling. The Energy Journal Vol. 29, No. 1 (2008): 113-134.

"Incompatibility, Product Attributes and Consumer Welfare: Evidence from ATMs."

Knittel, Christopher R. and Victor Stango. The BE Journal of Economic Analysis & Policy Advances Vol. 8, No. 1 (2008): 1-42.