Sinopoli, Francesco De; Iannantuoni, Giovanna - Centro di Studi Internazionali Sull'Economia e la … - 2003
n this paper we show that in a simple spatial model where the government is chosen under strict proportional rule, if the outcome function is a linear combination of parties' positions, with coefficient equal to their share of votes, essentially only a two-party equilibrium exists. The two...