Several countries practice a system where laymen, who lack legal education, participate in the judicial decision making. Yet, little is known about their potential influence on the court rulings. In Sweden lay judges (namndeman) are affiliated with the political parties and appointed in...

We investigate the dimensionality of Mexico's Supreme Court by analyzing individual justice behavior in judicial review petitions heard between 1995 and 2007. We specify a dynamic, two-dimensional item response model to estimate ideal points and their temporal drift from all contested votes...

In her first two terms on the Supreme Court, Justice Elena Kagan has crafted a distinctive judicial voice that speaks to her readers in a remarkably conversational tone. She employs a variety of rhetorical devices: invocations to “remember” or “pretend”; informal and even colloquial...

Using data on essentially every US Supreme Court decision since 1946, we estimate a model of peer effects on the Court. We consider both the impact of justice ideology and justice votes on the votes of their peers. To identify these peer effects we use two instruments. The first is based on the...

In R (Miller) v Secretary of State for Exiting the European Union, the Supreme Court of the United Kingdom (a) held that the UK Government had no prerogative power to initiate the formal process whereby the UK will withdraw from the EU and (b) declined to recognise any requirement that the...

What happens when the Supreme Court of the United States decides a case impacting one or more publicly-traded firms? While many have observed anecdotal evidence linking decisions or oral arguments to abnormal stock returns, few have rigorously or systematically investigated the behavior of...

We use NOMINATE (Nominal Three Step Estimation) (Poole and Rosenthal, 1983, 1997) to estimate ideal pointsfor all Supreme Court Justices in Brazil from 2002 to 2012. Based on these estimated preferences we identify the nature of the two main dimensions along which disagreements tend to occur in...

The Chief Justice of the United States Supreme Court authors many of the most important opinions coming out of the Court. The prestige of authoring an important policy decision, and the value that such an opinion adds to the legacy of the Chief Justice’s Court, plays an important and strategic...