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Inflation and entry costs in a monetary search model

Author

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  • Ryoji Hiraguchi
  • Keiichiro Kobayashi

Abstract

In this study, we construct a variant of the Lagos-Wright monetary model in which both buyers and sellers optimally decide whether to enter decentralized mar- ket by paying fixed entry costs. In the decentralized market, the sellers produce the intermediate inputs which are necessary to produce the general good traded in the centralized market. We show that the Friedman rule of setting nominal interest rate to zero may not be optimal. The optimal inflation rate is derived explicitly for specific functional forms. It is shown that the optimal inflation rate is lower for lower buyer entry costs, because the lower entry costs generate the congestion of buyers which must be compensated for by lower cost of money holdings. It is also shown that the optimal inflation is lower for higher seller entry costs. These results may explain why the secular decline in inflation has been observed in recent decades when the emergence and growth of Internet usage has lowered shopping costs for buyers. Keywords : Optimal monetary policy; entry cost; competitive pricing; low inflation. JEL classification code: E13; E42; E52

Suggested Citation

  • Ryoji Hiraguchi & Keiichiro Kobayashi, 2023. "Inflation and entry costs in a monetary search model," CIGS Working Paper Series 23-013E, The Canon Institute for Global Studies.
    • Handle: RePEc:cnn:wpaper:23-013e
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    References listed on IDEAS

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    5. 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, May.
    6. Aleksander Berentsen & Gabriele Camera & C hristopher W aller, 2005. "The Distribution Of Money Balances And The Nonneutrality Of Money," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 46(2), pages 465-487, May.
    7. Guillaume Rocheteau & Randall Wright, 2005. "Money in Search Equilibrium, in Competitive Equilibrium, and in Competitive Search Equilibrium," Econometrica, Econometric Society, vol. 73(1), pages 175-202, January.
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    More about this item

    JEL classification:

    • E13 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Neoclassical
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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