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Journal Article Classic and Current Notions of "Measurable Utility" Get access D. Ellsberg D. Ellsberg Cambridge, England. Cambridge, Mass Search for other works by this author on: Oxford Academic Google Scholar The Economic Journal, Volume 64, Issue 255, 1 September 1954, Pages 528–556, https://doi.org/10.2307/2227744 Published: 01 September 1954
Daniel Ellsberg (Wed,) studied this question.