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Aggregate Risk in Japanese Equity Markets


  • R. Anton Braun

    (Faculty of Economics, University of Tokyo)

  • Etsuro Shioji

    (Yokohama National University)


In the past decade Japanese households have been buffeted by some big aggregate shocks. Economic growth has slowed, unemployment risk has risen, and asset prices have fallen to levels not seen since the early 1980's. These shocks have hit both households' financial and human capital. This paper develops a framework for identifying the sources of these shocks and a way to measure how household assessments of these risks vary over time. We consider the perspective of a forward-looking risk-averse household and derive expected returns and time-varying risk premia for each risk factor. We then construct times-series of historical expected risk premia using Japanese data on industry returns. An analysis of this data provides four main findings. First, prior to 1984 expected risk premia on identified goods market shocks, monetary policy and financial market risk are all important determinants of industry level expected returns. Second, starting in 1984 households perceive that the risk from financial shocks is increasing and demand higher risk premia to hold this risk. Third, between 1987 and 1990 risk premia on monetary policy are large and positive. Monetary policy is perceived to be adding to financial risk. Fourth, in 1990 as expected risk premia on financial risk shoot up, expected risk premia on monetary policy shocks turn negative for all industry returns. As stock prices collapse between 1990 and 1995, monetary policy shocks play an important role in hedging risk emanating from the financial sector.

Suggested Citation

  • R. Anton Braun & Etsuro Shioji, 2003. "Aggregate Risk in Japanese Equity Markets," CIRJE F-Series CIRJE-F-250, CIRJE, Faculty of Economics, University of Tokyo.
  • Handle: RePEc:tky:fseres:2003cf250

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    References listed on IDEAS

    1. Clarida, Richard & Gali, Jordi & Gertler, Mark, 2002. "A simple framework for international monetary policy analysis," Journal of Monetary Economics, Elsevier, vol. 49(5), pages 879-904, July.
    2. Ben S. Bernanke & Julio J. Rotemberg, 1997. "Editorial in "NBER Macroeconomics Annual 1997, Volume 12"," NBER Chapters, in: NBER Macroeconomics Annual 1997, Volume 12, pages 1-6, National Bureau of Economic Research, Inc.
    3. Campbell, John Y, 1993. "Intertemporal Asset Pricing without Consumption Data," American Economic Review, American Economic Association, vol. 83(3), pages 487-512, June.
    4. Ben S. Bernanke & Julio J. Rotemberg, 1997. "NBER Macroeconomics Annual 1997, Volume 12," NBER Books, National Bureau of Economic Research, Inc, number bern97-1, June.
    5. R. Anton Braun & Etsuro Shioji, 2003. "Monetary Policy and Economic Activity in Japan and the United States," CIRJE F-Series CIRJE-F-251, CIRJE, Faculty of Economics, University of Tokyo.
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