1. Optimal trade policies for a small open economy;Choi;Economica,1993
2. Intra-sub Saharan African trade: is it too little?;Foroutan;Journal of African Economies,1993
3. Trading blocs and the Americas: the natural, the unnatural, and the super-natural;Frankel;Journal of Development Economics,1995
4. Havrylysyn, O., Pritchett, L. (1991). European trade patterns after the transition. Policy, Research and External Affairs Working Paper Series no. 748. Washington, DC: World Bank.
5. The structure of simple general equilibrium models;Jones;Journal of Political Economy,1965