Final answer:
Utilitarianism is the school of jurisprudence most closely tied to the pursuit of efficiency.
Step-by-step explanation:
The school of jurisprudence most closely tied to the pursuit of efficiency is Utilitarianism. Utilitarianism is a consequentialist approach to ethics that judges an action to be moral if it provides the greatest good to the greatest number of people. This means that the focus is on maximizing overall utility and effectiveness. For example, a Utilitarian approach to law may prioritize laws that result in the most economic productivity and social welfare.