This book is distilled from articles presented at two seminars held at Rutgers -- The State University of New Jersey on October 25, 1991, and May 1, 1992, entitled 'Economic Innovations in Public Utility Regulations'. These contributions represent the best new research on various topics in public utility regulation, including topics in antitrust law, the environmental impact of public utility regulation, incentive regulation, price-cap regulation, and contractual relationships.