text: This economist is the second namesake of social welfare functions in which an individual's utility is based solely on the goods allocated to that individual, and which are contrasted with Arrow social welfare functions.
full_question: This economist is the second namesake of social welfare functions in which an individual's utility is based solely on the goods allocated to that individual, and which are contrasted with Arrow social welfare functions. This man argued that one method of producing champagne could be most profitable at both high and low interest rates, but not in between, as part of his reswitching argument during the Cambridge Capital Controversy. He introduced the theory of using what a consumer purchases to infer their utility function; that is revealed preference theory. This economist pioneered using constrained optimization problems to model economic situations in his book Foundations of Economic Analysis. For 10 points, name this first American to win the Nobel Prize in Economics, the author of the 1948 textbook Economics.
first_sentence: This economist is the second namesake of social welfare functions in which an individual's utility is based solely on the goods allocated to that individual, and which are contrasted with Arrow social welfare functions.
raw_answer: Paul Samuelson