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Market Efficiency and Government Interventions in Prewar Japanese Rice Futures Markets

  • Mikio Ito
  • Kiyotaka Maeda
  • Akihiko Noda

This study analyzes how colonial rice trade in prewar Japan affected its rice market, considering several government interventions in the two rice futures exchanges in Tokyo and Osaka. We explore the interventions in the futures markets using two procedures. First, we measure the joint degree of efficiency in the markets using a time-varying vector autoregression model. Second, we examine many historical events that possibly affected the markets and focus on one event at a time. The degree varies over time within our sample period (1881-1932). The observation, together with historical analysis, leads to the following conclusions. (1) The two major markets in Tokyo and Osaka were nearly efficient. (2) Government interventions involving the delivery of imported rice from Taiwan and Korea often reduced futures market efficiency. Finally, (3) this relationship continued as long as the quality difference between imported and domestic rice existed. The government interventions that promoted domestic distributions of the colonial goods resulted in confusion in the commodity markets, and decreased efficiency of the markets in the metropole.

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File URL: http://arxiv.org/pdf/1404.1164
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Paper provided by arXiv.org in its series Papers with number 1404.1164.

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Date of creation: Apr 2014
Date of revision: Aug 2016
Handle: RePEc:arx:papers:1404.1164
Contact details of provider: Web page: http://arxiv.org/

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  1. Shigeyuki Hamori & Naoko Hamori & David A. Anderson, 2001. "An Empirical Analysis of the Efficiency of the Osaka Rice Market During Japan's Tokugawa Era," Journal of Futures Markets, John Wiley & Sons, Ltd., vol. 21(9), pages 861-874, 09.
  2. Hamilton, James D., 1987. "Monetary factors in the great depression," Journal of Monetary Economics, Elsevier, vol. 19(2), pages 145-169, March.
  3. Graham Elliott & Thomas J. Rothenberg & James H. Stock, 1992. "Efficient Tests for an Autoregressive Unit Root," NBER Technical Working Papers 0130, National Bureau of Economic Research, Inc.
  4. Mikio Ito & Akihiko Noda & Tatsuma Wada, 2016. "The evolution of stock market efficiency in the US: a non-Bayesian time-varying model approach," Applied Economics, Taylor & Francis Journals, vol. 48(7), pages 621-635, February.
  5. Hansen, Bruce E., 1992. "Testing for parameter instability in linear models," Journal of Policy Modeling, Elsevier, vol. 14(4), pages 517-533, August.
  6. Fama, Eugene F, 1970. "Efficient Capital Markets: A Review of Theory and Empirical Work," Journal of Finance, American Finance Association, vol. 25(2), pages 383-417, May.
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