1. Why Parties? the Origin and Transformation of Political Parties in America;Aldrich,1995
2. Fractionalization;Alesina;J. Econ. Growth,2003
3. Segregation and the quality of government in a cross-section of countries;Alesina;Am. Econ. Rev.,2011
4. Electoral institutions, cleavage structures, and the number of parties;Amorim Neto;Am. J. Political Sci.,1997
5. What to do (and not to do) with time series cross-section data;Beck;Am. Political Sci. Rev.,1995