Ronald Shephard

Ronald William Shephard (November 22, 1912 – July 22, 1982) was Professor of Engineering Science at the University of California, Berkeley.[1]

Ronald W. Shephard
Born(1912-11-22)November 22, 1912
DiedJuly 22, 1982(1982-07-22) (aged 69)
NationalityAmerican
Alma materUniversity of California, Berkeley
Known forShephard's lemma
Scientific career
FieldsMathematical economics
Doctoral advisorGriffith C. Evans
InfluencesOskar Morgenstern

He is best known for two results in economics, now known as Shephard's lemma and the Shephard duality theorem. Shephard proved these results in his book Theory of Cost and Production Functions (Princeton University Press, 1953), which Dale W. Jorgenson, in the preface of a reprint, called "the most original contribution to economic theory of all time."

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