1. Baldwin, R., Forslid, R., Martin, P., Ottaviano, G., Robert-Nicoud, F.: Economic Geography and Public Policy. Princeton University Press, Princeton (2003)
2. Borck, R., Pflüger, M., Wrede, M.: A simple theory of industry location and residence choice. J. Econ. Geogr. 10, 913–940 (2010)
3. Dixit, A.K., Stiglitz, J.E.: Monopolistic competition and optimum product diversity. Am. Econ. Rev. 67, 297–308 (1977)
4. Head, K., Mayer, T.: The empirics of agglomeration and trade. In: Henderson, J., Thisse, J.F. (eds.) The Handbook of Regional and Urban Economics, vol. IV, pp. 2609–2669. Elsevier, Amsterdam (2004)
5. Ottaviano, G., Thisse, J.F.: New economic geography: what about the n? Environ. Plan. A 37, 1707–1725 (2005)