Ashworth, Scott; Mesquita, Ethan Bueno de - In: Journal of Theoretical Politics 20 (2008) 3, pp. 251-273
We study a model of party formation in which the informativeness of party labels and inter-party ideological heterogeneity are endogenously and jointly determined in response to electoral incentives. Parties use screening to increase the cost of affiliation for politicians whose ideal points...