The death of Daniel Ellsberg on Friday reminded me of his contribution to economics and his influence on my own thinking. In 1987, I was at Cornell, beginning an abortive PhD candidacy. In one of my courses there was an assigned reading on decision theory by Leonard Savage. One of the footnotes referred to an article by “Daniel Ellsberg” and I naturally wondered if it was the same Daniel Ellsberg of Pentagon Papers fame. “Risk, Ambiguity and the...
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