The existence of noticeable 'unified' parties is central to the theory and practice of democracy in general, and to parliamentary democracy in particular. However, legislative studies scholars have good reason to cease treating parties as monolithic, unitary actors, for they evidently are not. The first step in this direction is to ask why one of the distinguishing features of modern political parties is their legislative unity. Do parties enter parliament as unified actors, or are they moulded into this model by the legislature? The answer depends on whether one is looking at cohesion or at...

The field of elections and electoral systems, and particularly electoral reform, has exhibited tremendous growth and cross-national appeal over the last two decades. However, beyond an increased knowledge of voting rules and their consequences for political representation, little attention has been devoted to the question of why electoral systems have recently undergone substantial change in several liberal democracies. This book addresses several new approaches to electoral reform. First, the scope of the study of electoral reform has been expanded. Second, contrary to previous studies...