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Can We Rule Out Speculative Hyperinflations in Maximising Models? Yes, We Can

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  • William Coleman

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Abstract

A critique is advanced of the contention of Obstfeld and Rogoff (1983) that in a fiat money regime, 'speculative hyperinflations can be excluded only through severe restrictions' on preferences. It is maintained here, in contrast, that no more than the infinity of the marginal utility of real balances at zero real balances is sufficient to rule out speculative hyperinflations. What Obstfeld and Rogoff have successfully drawn attention to is the theoretical possibility of money having strictly zero purchasing power. But the phenomenon of zero purchasing power has no explanatory power for historically observed hyperinflations, or any historically observed modern economy.

Suggested Citation

  • William Coleman, 2008. "Can We Rule Out Speculative Hyperinflations in Maximising Models? Yes, We Can," ANU Working Papers in Economics and Econometrics 2008-487, Australian National University, College of Business and Economics, School of Economics.
  • Handle: RePEc:acb:cbeeco:2008-487
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    File URL: https://www.cbe.anu.edu.au/researchpapers/econ/wp487.pdf
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    References listed on IDEAS

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    1. Obstfeld, Maurice & Rogoff, Kenneth, 1995. "Exchange Rate Dynamics Redux," Journal of Political Economy, University of Chicago Press, vol. 103(3), pages 624-660, June.
    2. Maurice Obstfeld & Kenneth S. Rogoff, 1981. "Speculative hyperinflations in a maximizing models: can we rule them out?," International Finance Discussion Papers 195, Board of Governors of the Federal Reserve System (U.S.).
    3. Narayana R. Kocherlakota & Christopher Phelan, 1999. "Explaining the fiscal theory of the price level," Quarterly Review, Federal Reserve Bank of Minneapolis, pages 14-23.
    4. Obstfeld, Maurice & Rogoff, Kenneth, 1983. "Speculative Hyperinflations in Maximizing Models: Can We Rule Them Out?," Journal of Political Economy, University of Chicago Press, pages 675-687.
    5. Obstfeld, Maurice & Rogoff, Kenneth, 1983. "Speculative Hyperinflations in Maximizing Models: Can We Rule Them Out?," Journal of Political Economy, University of Chicago Press, pages 675-687.
    6. William Oliver Coleman, 2007. "The Causes, Costs and Compensations of Inflation," Books, Edward Elgar Publishing, number 3906.
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    More about this item

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money

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