01010nam a2200265 i 450099100074167970753620020503200955.0940511s1978 us ||| | eng 0471015202b10122412-39ule_instLE02521429ExLFac. Economiaita519.5Leamer, Edward E14438Specification searches :ad hoc inference with nonexperimental data /Edward E. LeamerNew York [etc.] :Wiley,c1978xiii, 370 p. ;24 cmWiley series in probability and mathematical statistics.Applied probability and statisticsStatistica matematica.b1012241217-02-1727-06-02991000741679707536LE025 ECO 519.5 LEA01.0112025000019447le025-E0.00-l- 00000.i1014360927-06-02Specification searches198846UNISALENTOle02501-01-94ma -engus 01