1. On the estimation of returns to scale, technical progress and monopolistic markups;Diewert;Journal of Econometrics,2008
2. Increasing Returns Monopolistic Competition, and International Trade;Krugman;Journal of International Economics,1979
3. Scale EconomiesProduction Differentiation, and the pattern of Trade;Krugman;American Economic Review,1980
4. National and International Returns to Scale in the Modern Theory of International Trade;Ethier;American Economic Review,1982
5. Increasing Returns Imperfect Markets, and Trade Theory, in R. W. Jones and P. B. Kenen, eds. Handbook of International Economics;Helpman;North-Holland, Amsterdam, NL, Chpter7,1984