Corruption and Bilateral Trade Flows: Extortion or Evasion?
Pushan Dutt, Daniel Traça
Review of Economics and Statistics, vol. 92, 2010, p. 843-860.

With Whom Do You Trade? Defensive Innovation and the Skill-Bias
Pushan Dutt, Daniel Traça
Canadian Journal Of Economics, vol. 43, 2010, p. 1198-1220.