1. Oligopolistic Competition and the Optimal Provision of Products
2. Blattman, Chris, Michael A. Clemens, and Jeffrey G. Williamson. 2002. “Who Protected and Why? Tariffs the World around 1870–1937.” Paper Presented to the Conference on the Political Economy of Globalisation, Trinity College, Dublin. http://scholar.harvard.edu/files/jwilliamson/files/tariffs_dublin.pdf
3. Brander, James, and Barbara Spencer. 1984. “Tariff Protection and Imperfect Competition.” In Monopolistic Competition and International Trade, edited by Henryk Kierzkowski, 194–207. Oxford: Oxford University Press.
4. Optimal Trade and Privatization Policies in an International Duopoly with Cost Asymmetry
5. “Partial Privatization, Foreign Competition, and Optimum Tariff;Chao Chi-Chur;Journal of Urban Economics,2006