but in 1738 daniel bernoulli brought forward the st . petersburg paradox to explain that the expected value hypothesis could n't figure the action of people's decision-making fully, and further brought forward the theory of expected utility to direct people's decision-making objectively 但早在1738年danielbernoulli提出的圣?彼得堡矛盾就說明了期望值假說并不能完全描述人們的決策行為,進而提出的期望效用理論能夠較為客觀地指導人們的決策。