Preferenza per la liquidità: differenze tra le versioni

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In ''[[Man, Economy, and State]]'' (1962), Murray Rothbard argues that the liquidity preference theory of interest suffers from a fallacy of mutual determination. Keynes alleges that the rate of interest is determined by liquidity preference. In practice, however, Keynes treats the rate of interest as ''determining'' liquidity preference. Rothbard states "The Keynesians therefore treat the rate of interest, not as they believe they do—as determined by liquidity preference—but rather as some sort of mysterious and unexplained force imposing itself on the other elements of the economic system."<ref>{{cite web|author=Murray N. Rothbard |url=https://mises.org/Books/mespm.pdf |title=Man, Economy, and State with Power and Market |publisher=Ludwig von Mises Institute |page=785}}</ref>
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[[Murray Rothbard]] nel suo libro ''Man, Economy, and State'' critica la teoria della liquidità keynesiana sostenendo che si tratta di un ragionamento circolare. Keynes sostiene che il tasso di interessa è ''determinato'' dalla preferenza per la liquidità, ma in pratica invece tratta poi il tasso di interesse come la ''causa determinante'' la preferenza per la liquidità. Rothbard scrive: "I keynesiani perciò trattano il tasso di interesse non come determinato dalla preferenza per la liquidità, ma piuttosto come una sorta di forza misteriosa e inspiegata che si impone sugli altri elementi del sistema economico"<ref>{{cite web|author=Murray N. Rothbard |url=https://mises.org/Books/mespm.pdf |title=Man, Economy, and State with Power and Market |publisher=Ludwig von Mises Institute |page=785}}</ref>.
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Criticism emanates also from [[Post-Keynesian]] economists, such as [[Monetary circuit theory|circuitist]] [[Alain Parguez]], professor of economics, [[University of Franche-Comté|University of Besançon]], who "reject[s] the keynesian liquidity preference theory ... but only because it lacks sensible [[empirical]] foundations in a true monetary economy".<ref>[[Alain Parguez|Parguez, Alain]]. "[http://www.panoeconomicus.rs/casopis/devetibroj/money%20creation,%20employment%20and%20economic%20stability.pdf Money Creation, Employment and Economic Stability: The Monetary Theory of Unemployment and Inflation]", ''[http://www.panoeconomicus.rs/ Panoeconomicus]'', 2008, str. 39-67</ref> -->