Unpublished Papers:

1. "Divide the Dollar, a Model of Interregional Redistributive Politics", with C. Schultz, 2003.

2.      "Peripheral Diversity and Redistribution," with K. Desmet, and S. Weber. W.p. CEPR, 2006

3.      "Nation formation and genetic diversity", with K. Desmet, M LeBreton and S. Weber. W.p. CEPR, 2005.

4.      “A new approach measuring political diversity through ideological distinctiveness”, with Yubal Weber, 2008.

5.      “Intergenerational social mobility in Spain since the 19th century”, with Lola Collado and Andres Romeu. 2009.

6.  “Public Funding of Political Parties Depending on Vote Shares” with Christan Schultz. 2013.

7.  "Long-run intergenerational social mobility and the distribution of surnames," with M.D. Collado and A. Romeu, 2011.

8. "Democracy and the Dynamics of Income Distribution", 2013.

9. "The Geography of Linguistic Diversity and the Provision of Public Goods", with Klaus Desmet and Joseph Gomes, 2017