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Henrik Sigstad

@hsigstad.bsky.social
218 followers 179 following 24 posts

Economist studying legal institutions

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Henrik Sigstad @hsigstad.bsky.social · 17/04/2026
Comments on the framework very welcome!
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Henrik Sigstad @hsigstad.bsky.social · 17/04/2026
Also includes pointers to where Brazilian institutional data lives. Feel free to fork and ask Claude Code to extend the repo to your area.
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Henrik Sigstad @hsigstad.bsky.social · 17/04/2026
On top of dense notes on each institution, a resolver tool (`cite.py`) fetches verbatim statute text by compact ID (`CF.37`, `LIA.10`, `L14133.75.II`) and resolves STF cases and súmulas. CF articles come with STF annotations; CE articles with TSE.
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Henrik Sigstad @hsigstad.bsky.social · 17/04/2026
Built with Claude Code and meant to be used with it. Point the agent at the repo and it will have a grounded understanding of Brazilian institutions when helping you design empirical work, instead of making up statute numbers or misreading legal terms.
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Henrik Sigstad @hsigstad.bsky.social · 17/04/2026
A possibly useful resource for people working on empirical papers in Brazil: github.com/hsigstad/bra... A reference on the legal and political institutions — courts, procedure, MP, fiscal federalism, elections, procurement, corruption statutes — and how they work in practice.
github.com
GitHub - hsigstad/brazil-institutions: Research reference on Brazilian legal and political institutions — courts, procedure, Ministério Público, fiscal federalism, elections, procurement, and anti-cor...
Research reference on Brazilian legal and political institutions — courts, procedure, Ministério Público, fiscal federalism, elections, procurement, and anti-corruption. - hsigstad/brazil-institutions
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Veja o artigo completo para mais detalhes: papers.ssrn.com/sol3/papers....
papers.ssrn.com
Persuading judges or voters? The role of lawsuits in elections
What role do lawsuits play in elections? We document that 30 percent of Brazilian mayoral candidates are involved in election-related lawsuits and that they spe
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Devemos restringir o acesso aos tribunais eleitorais para evitar abusos? Provavelmente não—os tribunais são vitais para a integridade eleitoral. Mas regras como sucumbência, multas por litigância de má-fé e a limitação de ações pré-eleitorais podem conter processos infundados.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Essa estratégia é eficaz? Na verdade, nem tanto. Não encontramos impacto detectável nas intenções de voto para os réus (ou autores). Como muitas táticas de campanha, essas ações parecem ter pouco efeito sobre a opinião dos eleitores. Mas não podemos descartar efeitos moderados.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
A maioria das ações é ajuizada antes da eleição, com pico na última semana—o momento crucial para influenciar eleitores. Candidatos promovem os processos na mídia, muitas vezes de forma tendenciosa, omitindo, por exemplo, que foram movidas por adversários políticos.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Argumentamos que, em muitos casos, o objetivo é difamar o oponente. O timing é crucial: para cassar um mandato, o ideal é agir após a eleição; mas, para influenciar eleitores, é melhor iniciar a ação durante a campanha.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
A explicação poderia ser desconhecimento do nível de evidência exigido? Improvável. Advogados e candidatos experientes em ações eleitorais não têm mais êxito nem movem menos processos que os demais.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Praticamente todos os casos que visam declarar um oponente inelegível ou cassar seu mandato são julgados improcedentes por falta de provas. Por exemplo, um juiz afirmou em sua sentença que o processo foi "uma aventura judicial infundada, sem qualquer lastro probatório."
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
No Brasil, 1 em cada 7 candidatos a prefeito processa seus rivais nos tribunais eleitorais. Os 5% mais litigiosos entre eles apresentam mais de 15 processos. E os candidatos gastam 11% de suas campanhas com advogados. Por quê?
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Os tribunais são essenciais para eleições livres, mas candidatos podem usar ações judiciais para difamar oponentes ou desacreditar a eleição. Em novo artigo com @glambais.bsky.social & Moya Chin, apresentamos um estudo sistemático sobre ações eleitorais nas eleições municipais do Brasil.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
See the full paper for details: papers.ssrn.com/abstract=518...
papers.ssrn.com
Persuading judges or voters? The role of lawsuits in elections
What role do lawsuits play in elections? We document that 30 percent of Brazilian mayoral candidates are involved in election-related lawsuits and that they spe
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Should access to electoral courts be restricted to curb abusive lawsuits? Probably not—they're essential for election integrity. But policies like loser-pays rules, fines for bad-faith cases, or limits on certain pre-election filings could help reduce frivolous suits.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Is this strategy effective? Not really. We find no detectable impact on intentions to vote for defendants (or plaintiffs), using RD and DiD designs. Like many campaign tactics, these lawsuits don’t seem to sway voter opinion much. But we can not rule out moderate effects.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Consistent with aiming to sway voters, most lawsuits are filed during the campaign, with a peak in the final week before elections. Candidates promote the lawsuits in the media, often in biased ways, such as omitting to mention they were filed by a politician.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Instead, we argue candidates use courts to tarnish opponents’ reputations in the eyes of voters. Timing is key: if the aim is to disqualify the opponent, the best time to file is post-election. But if the aim is to influence voters, it is optimal to file just before the election.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Could it be that plaintiffs don’t know the level of evidence needed? Seems unlikely. Candidates who should know better—like lawyers or those with prior court experience—aren’t more likely to win cases or any less likely to file them.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Apparently not to obtain legal relief. Essentially all cases aiming to disqualify opponents or annul elections fail due to weak evidence. For instance, one judge dismissed a case as “mere conjectures” and called it an “unfounded legal adventure.”
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
In Brazil, 1 in 7 mayoral candidates sues their rivals in electoral court. The top 5% most litigious of these file over 15 lawsuits. And candidates spend 11% of their campaigns on lawyers. Why do they turn to the courts?
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
In a new paper with @glambais.bsky.social and Moya Chin, we present one of the first systematic studies on electoral lawsuits, focusing on Brazil's municipal elections.
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Henrik Sigstad @hsigstad.bsky.social · 20/03/2025
Courts ensure fair elections, but electoral lawsuits can also be used to attack opponents or discredit the process. For instance, none of the 400+ lawsuits filed before the 2020 U.S. election succeeded in court, and the most recent election saw a similar number of cases.
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