Judicial behavior: Decision makers in the CJEU

The Court of Justice of the European Union in Luxembourg

Little research exists on how judges enter the Court and how its internal organization affects decision making. This project opens the black box of these decision-making processes to consider governments’ and judges’ strategic behavior.

I show that judges’ performance and governments’ political preferences are intertwined both when judges are appointed and when influence is distributed within the Court.

Judicial appointments to the CJEU

  • “Shaping the Bench: The Effect of Ideology, Impact, and Information Quality on Judicial Reappointments” with Daniel Naurin presented at the ECPR Joint Sessions 2019 (Mons)
Graphic showing that the likelihood of replacing a sitting judge increases with the distance between the economic preferences of the appointing and reappointing government.

Courts’ institutional design has significant implications for judicial independence and accountability, particularly when terms are renewable. Policy-seeking selectors often consider judges’ past service to predict their future policy impact. However, the same judicial record may carry more or less weight in the assessment, depending on the court’s case-management process.

Drawing on original data on reappointments to the Court of Justice of the European Union, we show that reappointments are made based on both ideology and impact. Transparent, selective allocation of influential positions in the court favors the retention of high-impact judges, while non-selective allocations do not. Secret voting – conventionally seen as safeguarding judicial independence – also does not shield judges against ideological deselection. Our analysis unveils new insights into when judicial accountability incentivizes effort. It also challenges the prevailing belief that renewable terms decrease judicial independence, instead suggesting that selectors partially rely on evaluations by court members for reappointment decisions.

A draft version can be found here.

  • “How do merit commissions affect judicial behavior? Evidence from the Court of Justice of the European Union” with Sivaram Cheruvu, Joshua Fjelstul, and Daniel Naurin presented at APSA 2022 (Montréal)
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Governments create monitoring entities to ensure that policymakers are working effectively. Monitors’ control over retaining and selecting policymakers, however, may create incentives that lead to sub-optimal outcomes. One such entity is a merit commission (also known as a judicial council) that evaluates judges subject to retention and (or) selection. How do merit commissions affect judicial behavior? We construct a formal model arguing that lower competence incumbent judges only subject to merit retention will complete cases more quickly at the expense of quality opinion-writing, as their productivity is a signal of their effort investment to the commission. Conversely, judges subject to merit selection and subsequent retention will not make the same tradeoff, as the commission’s initial selection of them makes it more costly for the commission to negatively evaluate them upon retention. We provide evidence leveraging the Article 255 panel for (re)appointments to the Court of Justice of the European Union.

Published work

If who makes decisions within courts matters for the outcome of cases and their reception, then studying how cases and judges are matched is essential to understanding judicial independence.

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Silje Synnøve Lyder Hermansen
Assistant Professor

Silje’s research concerns democratic representation in courts and parliaments. She also teaches various courses in research methods and comparative politics.