1. Housing Investment in the United States
2. Oficina Economíca del Presidente del Gobernio, Inmigración y economía Española: 1996–2006, November 2006, http://www.lamoncloa.es/PROGRAMAS/OEP/PublicacionesEInformes/default.htm
3. The Q theory of housing investment;Jud;Journal of Real Estate Finance and Economics,2003
4. Euro area: slowing down in 2007;Guillemineau;National Institute Economic Review,2007