“Is the WTO Mystery Really Solved?” Economics Letters, 2011, 113, 127 – 130.

“Do Customs Union Members Engage In More Bilateral Trade Than Free Trade Agreement Members?” Review of International Economics, 2010, 18, 663 – 681.

“Three New Empirical Tests of the Pollution Haven Hypothesis When Environmental Regulation is Endogenous” with Daniel Millimet (revise and resubmit at Journal of Applied Econometrics; IZA DP No. 5911, FREIT WP No. 329)

“On the Robustness of the Trade-Inducing Effects of Trade Agreements and Currency Unions” (revise and resubmit at Empirical Economics; FREIT WP No. 193)

“Trade and the Environment,” with Daniel Millimet (in preparation for: Environmental and Natural Resource Economics: An Encyclopedia)

“Energy Efficiency, Exporting, and Productivity: Evidence from Firm Level Data” with Mahmut Yasar

“Assessing the Chilling Effect of the WTO on Multilateral Environmental Agreements,” with Daniel Millimet

“Employment Protection Laws and the Spatial Distribution of US Inbound FDI, ” with Daniel Millimet

“Foreign Ownership and Productivity: Evidence from Plant-Level Data,” with Mahmut Yasar