... Limited must be obtained for commercial re-use. Primary elections primaries voter turnout voter files electoral competition top-two primary top-four primary nonpartisan primary open primary election reform On average, barely 20% of eligible voters participate in U.S. congressional...

... are more likely to favor the top-two rules, we also find support for primary election reforms is not symmetric between party wings. Voters tending to favor liberal champions express greater relative support for rules like the top-two primary than supporters of the more populist conservative champions...