1. Ago, T., Isono, I., Tabuchi, T. (2006) Locational disadvantage of the hub. Annals of Regional Science, forthcoming.
2. Behrens, K., Lamorgese, A. R., Ottaviano, G. I. P., Tabuchi, T. (2004) Testing the ‘home market effect’ in a multi-country world: the theory. CEPR Discussion Paper #4468, Centre for Economic Policy Research, London.
3. Behrens, K., Gaigné, C., Ottaviano, G. I. P., Thisse, J. -F. (2005) Countries, regions and trade: on the welfare impacts of economic integration. Discussion Paper #2005/01, University of Strathclyde, scotland, UK.
4. Brülhart, M., Traeger, R. (2005) An account of geographic concentration patterns in Europe, Regional Science and Urban Economics, 35: 597–624.
5. Engel, C., Rogers, J. H. (1996) How wide is the border?, American Economic Review, 86: 1112–1125.