Law Commons^™

Reasonableness In And Out Of Negligence Law, Benjamin C. Zipursky

Faculty Scholarship

The word "reasonable" and its cognates figure prominently in innumerable areas of the law – from antitrust and contract law to administrative and constitutional law, from the common law of nuisance to an assortment of rules in statutes and regulations. While some thinkers have equated "reasonableness" with "rationality," others have looked to "justifiability," and others still have decided that "reasonableness" means virtually nothing at all, but serves the important function of allocating decisionmaking authority. The reality is that the term "reasonable" is both vague and ambiguous, and thus plays many different roles in the law. As with terms such as …