Here's a paper that provides evidence that voters are more informed when they have more political power: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=316

Here's a paper that provides evidence that voters are more informed when they have more political power: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=316694 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=316694