While previous research on the reciprocal effects of citizens' issue attitudes and their party support emphasize citizens' issue positions, political competition revolves equally around issue salience, i.e., debates over which issue areas political parties should prioritize. Using multi-wave...

We combine Duverger's Law (1954) with Demsetz's (1968) theory of natural monopoly to provide a novel perspective on electoral competitiveness in a single member district, plurality rule system. In the framework we develop, competitiveness depends on the contestability of elections, which...