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Elastic Money, Inflation, and Interest Rate Policy

  • Allen Head



  • Junfeng Qiu


    (Central University of Finance and Economics, Beijing)

Optimal monetary policy is studied in an environment in which money plays an essential role in facilitating exchange and aggregate shocks affect individual agents asymmetrically. Exchange may be conducted using either bank deposits (inside money) or fiat currency (outside money). A central monetary authority both controls the stock of outside money and pursues an interest rate policy that affects the rate at which private banks create inside money. We find that the optimal monetary policy requires management of both interest rates and the quantity of outside money. By controlling interest rates the monetary authority can affect the price level in the short-run and adjust households' consumption, thus providing insurance against unfavorable aggregate shocks. The feasibility of the interest rate policy requires a minimum rate of trend inflation that may be positive and in principle quite large. The paper thus links two principal components of monetary policy: the optimal interest rate policy and the optimal long-run inflation rate.

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Paper provided by Queen's University, Department of Economics in its series Working Papers with number 1152.

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Length: 41 pages
Date of creation: Feb 2011
Date of revision:
Handle: RePEc:qed:wpaper:1152
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  1. Aleksander Berentsen & Cyril Monnet, 2007. "Monetary Policy in a Channel System," CESifo Working Paper Series 1929, CESifo Group Munich.
  2. James B. Bullard & Bruce D. Smith, 2002. "Intermediaries and payments instruments," Working Papers 2002-006, Federal Reserve Bank of St. Louis.
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  8. Hongfei Sun, 2007. "Banking, Inside Money and Outside Money," Working Papers 1146, Queen's University, Department of Economics.
  9. Summers, Lawrence, 1991. "How Should Long-Term Monetary Policy Be Determined? Panel Discussion," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 23(3), pages 625-31, August.
  10. Champ, B. & Snith, B.D. & Williamson, D.S., 1991. "Currency Elasticity and Banking Panics: Theory and Evidence," RCER Working Papers 292, University of Rochester - Center for Economic Research (RCER).
  11. Ping He & Lixin Huang & Randall Wright, 2005. "Money And Banking In Search Equilibrium," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 637-670, 05.
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  13. de O. Cavalcanti, Ricardo & Erosa, Andrés & Temzelides, Ted, 2004. "Liquidity, money creation and destruction, and the returns to banking," Working Paper Series 0394, European Central Bank.
  14. Aleksander Berentsen & Christopher J. Waller, 2009. "Optimal stabilization policy with endogenous firm entry," Working Papers 2009-032, Federal Reserve Bank of St. Louis.
  15. Freeman, Scott, 1996. "The Payments System, Liquidity, and Rediscounting," American Economic Review, American Economic Association, vol. 86(5), pages 1126-38, December.
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