book ii
. ch. ii.; Augustin Cournot, _Theory of Wealth_ (1838), translated by Nathaniel T. Bacon; George Clare, _A Money Market Primer and Key to the Exchanges_; John Stuart Mill, _Principles of Political Economy_,
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. ch. ii.; Augustin Cournot, _Theory of Wealth_ (1838), translated by Nathaniel T. Bacon; George Clare, _A Money Market Primer and Key to the Exchanges_; John Stuart Mill, _Principles of Political Economy_,
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