TY - BOOK AU - Leamer,Edward E. TI - Specification searches: ad hoc inference with nonexperimental data T2 - Wiley series in probability and mathematical statistics. Applied probability and statistics SN - 0471015202 U1 - 519.5 23 PY - 1978/// CY - New York, Chichester PB - Wiley KW - Mathematical statistics N1 - "A Wiley-Interscience publication."; Includes index; Bibliography: p. 350-366 ER -