Published online by Cambridge University Press: 26 April 2004
Debates between advocates of the two major alternative forms of electoral system often proceed at cross-purposes. In parliamentary systems, governments not only wield executive power, they strongly influence the agenda of the legislature and in some cases dominate it. The core literature on electoral systems focuses almost entirely on the relations between vote shares and legislative seat shares, leaving government formation aside. Yet the main debate about democratic accountability focuses on representative government, of which a representative legislature is at most only one part.