Constitutional Conventions in Westminster Systems: Controversies, Changes and Challenges

Conventions are fundamental to the constitutional systems of parliamentary democracies. Unlike the United States which adopted a republican form of government, with a full separation of powers, codified constitutional structures and limitations for executive and legislative institutions and actors, Britain and subsequently Canada, Australia and New Zealand have relied on conventions to perform similar functions. The rise of new political actors has disrupted the stability of the two-party s...