Wolf, Charles, Jr., 1924-2016, Efficient performance with inefficient pricing : a puzzle for economists who believe in the free market / Charles Wolf, Jr - 12 pages ; 28 cm. - The Rand paper series; P-5915-1 . - The Rand paper series; P-5915-1 . Bibliography: pages 11-12 Subjects--Topical Terms: Microeconomics Industrial efficiency Pricing