Abstract
In this paper, we present a two-country trade model with external economies of scale that emerge on an international level but are partially localized in each country. First, we show that the larger country exports the good produced in an industry with external economies of scale in the trading equilibrium. Second, we investigate the welfare effects of trade for the following two cases: (I) the case where external economies are completely localized in autarky; (II) the case where external economies are internationally effective in autarky. In case (II), it is shown that trade can be welfare-decreasing for both countries.
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References
Coe, D.T. Helpman E (1995): “International R&D Spillovers”. European Economic Review 39:859–887.
Coe, D.T. Helpman E, Hoffmaister AW (1997): “North-South R&D Spillovers”. Economic Journal 107:134–149.
Ethier, W.J. (1979): “Internationally Decreasing Costs and World Trade”. Journal of International Economics 9:1–24.
Ethier, W.J. (1982a): “Decreasing Costs in International Trade and Frank Graham’s Argument for Protection”. Econometrica 50:1243–1268.
Ethier, W.J. (1982b): “National and International Returns to Scale in the Modern Theory of International Trade”. American Economic Review 72:389–405.
Francois, J.F. (1992): “Optimal Commercial Policy with International Returns to Scale”. Canadian Journal of Economics 25:184–195.
Francois, J.F. (1994): “Global Production and Trade: Factor Migration and Commercial Policy with International Scale Economies”. International Economic Review 35:565–581.
Helpman, E., Krugman, P.R. (1985): Market Structure and Foreign Trade. Cambridge, MA: MIT Press.
Herberg, H., Kemp, M.C. (1969): “Some Implications of Variable Returns to Scale”. Canadian Journal of Economics 2:403–415.
Herberg, H., Kemp, M.C., Tawada M (1982): “Further Implications of Variable Returns to Scale”. Journal of International Economics 13:65–84.
Irwin DA, Klenow PJ (1994): “Learning by Doing Spillovers in the Semiconductor Industry”. Journal of Political Economy 102:1200–1227.
Jaffe, A.B., Trajtenberg, M., Henderson R (1993): “Geographical Localization of Knowledge Spillovers as Evidence by Patent Citations”. Quarterly Journal of Economics 108:577–598.
Jones, R.W. (1968): “Variable Returns to Scale in General Equilibrium Theory”. International Economic Review 9:261–272.
Keller, W. (1998): “Are International R&D Spillovers Trade-related? Analyzing Spillovers among Randomly Matched Trade Partners”. European Economic Review 42:1469–1481.
Panagariya, A. (1980): “Variable Returns to Scale in General Equilibrium Theory Once Again”. Journal of International Economics 10:499–526.
Panagariya, A. (1981): “Variable Returns to Scale in Production and Patterns of Specialization”. American Economic Review 71:221–230.
Tawada, M. (1989): Production Structure and International Trade. Berlin: Springer.
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Suga, N. International Economies of Scale and the Gains from Trade. J Econ 85, 73–97 (2005). https://doi.org/10.1007/s00712-005-0122-1
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DOI: https://doi.org/10.1007/s00712-005-0122-1