What principle does the doctrine of stare decisis emphasize?

The principle emphasized by the doctrine of stare decisis is that similar cases should have similar outcomes. This legal doctrine promotes consistency and predictability in the law by ensuring that courts follow precedents set by previous decisions in similar cases. When a court has ruled on a particular issue, lower courts are generally bound to adhere to that ruling in future cases involving the same legal principles or facts. This not only respects the rule of law but also fosters public confidence in the judicial system by minimizing arbitrary judicial decision-making.

Stare decisis serves as a foundational aspect of common law systems, underpinning the importance of established legal precedents. By prioritizing similar outcomes for similar cases, it allows individuals and entities to have a clearer understanding of their rights and obligations under the law, effectively contributing to a more stable legal environment.