Presents a comprehensive survey of U.S. regulatory policy from the Progressive Era to the present. Examines how and why the U.S. “administrative state” regulates markets and society and analyzes the major debates and controversies that have shaped regulatory design and reform. Topics include the economic and social rationales for regulation; the rise of independent regulatory agencies; landmark statutes (e.g., Clean Air, OSHA); and modern case studies (e.g., antitrust, environment, food safety, energy, etc.). Emphasizes a policy-analysis perspective. .