Leamer, Edward E, Specification searches: ad hoc inference with nonexperimental data / Edward E. Leamer. - New York: Wiley, 1978. - xiii, 370 p.: ill 24 cm. - Wiley series in probability and mathematical statistics . 'A Wiley-Interscience publication.' Includes index Bibliography: p. 350-366 ISBN: 0471015202 Subjects--Topical Terms: Mathematical statistics