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Canadian Journal of Economics, vol. 55, 2022, p. 626-664.

Productivity Growth and Convergence: A Stochastic Frontier Analysis
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Journal Of Economic Studies, vol. 42, 2015, p. 224-236.

Terrorism Against American Citizens in Africa: Related to Poverty?
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The Tenure Game: Building Up Academic Habits
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Japanese Economic Review, vol. 59, 2008, p. 370-380.