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read Chapter 1 from David Ricardo's "Principles of Political Economy and Taxation" (p. 268-269; and 272-273). David Ricardo believes that commodities can derive exchange value for two reasons: what are they? Which of the two reasons is more important for his analysis? How does David Ricardo assess Adam Smith's theory of value? David Ricardo adjusts Adam Smith's example of the beaver and the deer to claim that two different types of labor should be used to determine the value of any commodity. Explain his claim. Answers can be found in p. 268-269 (questions 1 and 2) and p. 272-273 (question 3).