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An Equilibrium Foundation of the Soros Chart

Author

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  • Kano, Takashi
  • Morita, Hiroshi

Abstract

The most prominent characteristic of the Japanese yen/U.S. dollar nominal exchange rate in the post-Plaza Accord era is near random-walk behavior sharing a common stochastic trend with the two-country monetary base differential augmented with excess reserves. In this paper, we develop a simple two-country incomplete-market model equipped with domestic reserve markets to structurally investigate this anecdotal evidence known as the Soros chart. In this model, we theoretically verify that a market discount factor close to one generates near random-walk behavior of an equilibrium nominal exchange rate in accordance with a permanent component of the augmented monetary base differential as an economic fundamental. Results of a Bayesian posterior simulation with post-Plaza Accord data of Japan and the United States plausibly support our model as a data generating process of the Japanese yen/U.S. dollar exchange rate. The model identifies the two-country differential in money demand shocks as the main generator of the sharp depreciation of the Japanese yen against the U.S. dollar under the Abenomics. We discuss data evidence that the identified money demand shocks are tightly correlated with longer-term interest rate differentials between the two countries.

Suggested Citation

  • Kano, Takashi & Morita, Hiroshi, 2015. "An Equilibrium Foundation of the Soros Chart," Discussion Papers 2014-07, Graduate School of Economics, Hitotsubashi University.
  • Handle: RePEc:hit:econdp:2014-07
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    References listed on IDEAS

    as
    1. Charles Engel & Kenneth D. West, 2005. "Exchange Rates and Fundamentals," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 485-517, June.
    2. Engel, Charles, 2014. "Exchange Rates and Interest Parity," Handbook of International Economics, Elsevier.
    3. Takashi Kano, 2013. "Exchange Rates and Fundamentals: Closing a Two-country Model," CAMA Working Papers 2013-62, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    4. Backus, David K. & Smith, Gregor W., 1993. "Consumption and real exchange rates in dynamic economies with non-traded goods," Journal of International Economics, Elsevier, vol. 35(3-4), pages 297-316, November.
    5. James M. Nason & John H. Rogers, 2008. "Exchange rates and fundamentals: a generalization," FRB Atlanta Working Paper 2008-16, Federal Reserve Bank of Atlanta.
    6. Balke, Nathan S. & Ma, Jun & Wohar, Mark E., 2013. "The contribution of economic fundamentals to movements in exchange rates," Journal of International Economics, Elsevier, vol. 90(1), pages 1-16.
    7. John Geweke, 1999. "Using simulation methods for bayesian econometric models: inference, development,and communication," Econometric Reviews, Taylor & Francis Journals, vol. 18(1), pages 1-73.
    8. Lucio Sarno & Elvira Sojli, 2009. "The Feeble Link between Exchange Rates and Fundamentals: Can We Blame the Discount Factor?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(2-3), pages 437-442, March.
    9. Meese, Richard A. & Rogoff, Kenneth, 1983. "Empirical exchange rate models of the seventies : Do they fit out of sample?," Journal of International Economics, Elsevier, vol. 14(1-2), pages 3-24, February.
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    Citations

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    Cited by:

    1. Fukuda, Shin-ichi, 2015. "Abenomics: Why was it so successful in changing market expectations?," Journal of the Japanese and International Economies, Elsevier, vol. 37(C), pages 1-20.
    2. repec:eee:jimfin:v:74:y:2017:i:c:p:337-352 is not listed on IDEAS
    3. Shin-ichi Fukuda & Tsutomu Doita, 2016. "Unconventional Monetary Policy and its External Effects: Evidence from Japan's Exports," The Developing Economies, Institute of Developing Economies, vol. 54(1), pages 59-79, March.
    4. Bhanupong Nidhiprabha, 2016. "Impacts of Quantitative Monetary Easing Policy in the United States and Japan on the Thai Economy," The Developing Economies, Institute of Developing Economies, vol. 54(1), pages 80-102, March.
    5. Shioji, Etsuro, 2015. "Time varying pass-through: Will the yen depreciation help Japan hit the inflation target?," Journal of the Japanese and International Economies, Elsevier, vol. 37(C), pages 43-58.
    6. repec:eee:jjieco:v:45:y:2017:i:c:p:13-26 is not listed on IDEAS
    7. Fukuda, Shin-ichi, 2017. "Spillover Effects of Japan’s Quantitative and Qualitative Easing on East Asian Economies," ADBI Working Papers 631, Asian Development Bank Institute.
    8. KANO, Takashi, 2016. "Exchange Rates and Fundamentals: A General Equilibrium Exploration," Discussion paper series HIAS-E-19, Hitotsubashi Institute for Advanced Study, Hitotsubashi University.
    9. repec:bla:jecrev:v:68:y:2017:i:3:p:364-393 is not listed on IDEAS
    10. Kano, Takashi & Wada, Kenji, 2017. "The first arrow hitting the currency target: A long-run risk perspective," Journal of International Money and Finance, Elsevier, vol. 74(C), pages 337-352.

    More about this item

    Keywords

    Japanese yen/U.S. dollar exchange rate; Soros chart; Random walk; Bayesian analysis;

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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