00294nam a2200121Ia 4500082002200000100001700022245004400039260004300083300000900126490002700135500000500162700000500167  a330.183bAr778.AT  aArrow, K. J.  aAspects of the theory of risk bearingb  aHelsinkibYrjo Jahnssonin Saatioc1965  a61p.  aYrjo Jahnsson Lectures  a  a