Ellsberg, D. (1961). Risk, ambiguity, and the Savage axioms. The quarterly journal of economics, 643-669. 올린이:서울대학교 행복연구센터 5월 10, 2021 초록 없음 Ellsberg, D. (1961). Risk, ambiguity, and the Savage axioms. The quarterly journal of economics, 643-669. DOI: 10.2307/1884324