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Study Guide to Man, Economy, and State with Power and Market

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Chapter 4: Prices <strong>and</strong> Consumption 49<br />

Notable Contributions<br />

• Rothbard’s devastating critique of measuring<br />

psychic surpluses (pp. 258–60) is still relevant.<br />

• Mises was the first economist <strong>to</strong> fully incorporate<br />

money in<strong>to</strong> the subjectivist, marginal utility<br />

approach that economics had developed for the<br />

case of barter. His regression theorem evaded the<br />

apparent problem of circularity that had stumped<br />

earlier theorists. Before Mises, economists used<br />

“micro” analysis <strong>to</strong> explain barter exchange<br />

ratios, <strong>and</strong> then superimposed money prices<br />

using a “macro” approach involving “the price<br />

level” <strong>and</strong> the <strong>to</strong>tal s<strong>to</strong>ck of money. (See Rothbard’s<br />

footnote 19 on pp. 269–70.)<br />

• Figure 38 (p. 274) depicts the temporal elements<br />

of gold prices, during a state of first direct<br />

exchange <strong>and</strong> then indirect exchange.<br />

• Rothbard ingeniously deals <strong>with</strong> the famous<br />

example of Buridan’s ass (p. 310), which was<br />

placed equidistant between two equally attractive<br />

oases <strong>and</strong> dies of thirst. Rather than illustrating<br />

the relevance of indifference, this example merely<br />

shows its silliness. Only an ass would be unable <strong>to</strong><br />

choose in such a situation, because <strong>to</strong> st<strong>and</strong> still<br />

would really be “choosing” <strong>to</strong> die of thirst, <strong>and</strong><br />

this is clearly an inferior option.

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