A democracy must limit the power of its executives to provide accountability. Which institutional choices best ensure accountability, and how?
How much power should a minority have in a democracy? How do different democracies seek to guarantee that minorities are protected from possible majority tyranny? Do some institutional choices seem to guarantee this better than others?
Do greater participation and representation of many voices in government result in less effective policymaking?
How can we explain why an institution that works well in one setting might not work as well in another?
What explains why particular democratic institutions arise in particular countries but not in others?