00353    a2200109   4500001001000000005001700010008004100027245007600068100001500144773006700159999001700226ART_1205020260410161902.0260409a                                 10aChicago board call options as predictors of common stock prince changes1 aPanton, D.0 tJournal of econometricsg- Vol. 4, Nº 2 (may. 1976)wREV11720  c26055d26055