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Journal Article Professor Pigou's Method for Measuring Elasticities of Demand from Budgetary Data Get access Milton Friedman Milton Friedman University of Chicago Search for other works by this author on: Oxford Academic Google Scholar The Quarterly Journal of Economics, Volume 50, Issue 1, November 1935, Pages 151–163, https://doi.org/10.2307/1882346 Published: 01 November 1935
Milton Friedman (Fri,) studied this question.