00339nam a2200121Ia 4500008004100000082001700041100002000058245004900078260001500127300001600142490001400158490004500172260227b        |||||||| |||| 00| 0 eng d  a332.678 H669  aHirshleifer, J.  aOn the theory optimal investment decisionb/  c1958a b   app. 329-352  vAug. 1958  aJournal of political economy, v.66, no.4