Political parties are often banned to suppress their political presence. We argue that political party bans may have unintended consequences. We assemble a comprehensive database of political party bans across the world since 1900. First, we show that party bans are often incomplete: over 60% of banned parties regroup or merge with an existing party. . . .

The AEA interviewed select poster presenters at the 2026 conference in Philadelphia to discuss their research and the broader implications of their work. View the full list of videos.