Ideological versus Downsian political competition. - Ignacio Ortuño-Ortin (Soc. Choice Welf., 2002)

Endogenous platforms: the case of many parties. - Andrei Gomberg; Francisco Marhuenda; Ignacio Ortuño-Ortin (Int. J. Game Theory, 2007)

Gamson's law and hedonic games. - Michel Le Breton; Ignacio Ortuño-Ortin; Shlomo Weber (Soc. Choice Welf., 2008)

Peripheral diversity: transfers versus public goods. - Klaus Desmet; Ignacio Ortuño-Ortin; Shlomo Weber (Soc. Choice Welf., 2017)

Polling in a proportional representation system. - Christos N. Mavridis; Ignacio Ortuño-Ortin (Soc. Choice Welf., 2018)