Hanna Bäck has, together with Marc Debus and Jorge Fernandes edited a volume recently published by Oxford University Press which focuses on answering these questions.
You can read about the volume “The Politics of Legislative Debates” on the Oxford University Press’ website
Bäck on legislative debates
Debates in legislatures are important for the functioning of representative democracy. What are the rules surrounding legislative debates in countries across the world, and are some groups underrepresented in such debates?