Judicial decision-making may ideally be impartial, but in reality it is influenced by many different factors, including institutional context, ideological commitment, fellow justices on a panel, and personal preference. Empirical literature in this area increasingly analyzes this complex collection of factors in isolation, when a larger sample size of comparative institutional contexts can help assess the impact of the procedures, norms, and rules on key institutional decisions, such as how appeals are decided. Four basic institutional questions from a comparative perspective help address...