“Asymmetric Technological Change in the Melitz Model: Are Foreign Technological Improvements Harmful?” (with Antonio Marasco), June 2014. 
“The Real Exchange Rate in the Long Run: Balassa-Samuelson Effects Reconsidered” (with Michael D. Bordo, Giorgio Fazio and Ronald MacDonald), NBER working paper no. 20228.
“A Tale of Two Countries and Two Booms, Canada and the United States in the 1920s and the 2000s: The Roles of Monetary and Financial Stability Policies” (with Lawrence L. Schembri), April 2013.
“Monetary Policy in Pakistan: Confronting Fiscal Dominance and Imperfect Credibility”, (with Hamza Malik), December 2012.
“The Exchange Rate Pass-Through to Import and Export Prices: The Role of Nominal Rigidities and Currency Choice” (with Dalia Hakura), September 2012, International Monetary Fund Working Paper No. 12/226.
“The Harrod-Balassa-Samuelson Effect: Reconciling the Evidence,” (with Lawrence L. Schembri and Christiane Baumeister), June 2011.