Equity Integration in Japan: An Application of a New Method
This paper develops a simple new methodology to test for asset integration and applies it to the Japanese stock market as represented by the Tokyo Stock Exchange (TSE). The technique is tightly based on a general intertemporal asset-pricing model, and relies on estimating and comparing expected risk-free rates across assets. Expected risk-free rates are allowed to vary freely over time, constrained only by the fact that they are equal across (risk-adjusted) assets. Assets are allowed to have general risk characteristics, and are constrained only by a factor model of covariances over short time periods. The technique is undemanding in terms of both data and estimation. I find that expected risk-free rates vary dramatically over time, unlike short-term interest rates. Further, the TSE does not always seem to be well integrated in the sense that different portfolios of stocks are priced with different implicit risk-free rates.
Volume (Year): 22 (2004)
Issue (Month): 2 (May)
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- Robert P. Flood & Andrew K. Rose, 2005.
"Financial Integration: A New Methodology And An Illustration,"
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MIT Press, vol. 3(6), pages 1349-1359, December.
- Flood, Robert P & Rose, Andrew K, 2003. "Financial Integration: A New Methodology and an Illustration," CEPR Discussion Papers 4027, C.E.P.R. Discussion Papers.
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- Chen, Zhiwu & Knez, Peter J, 1995. "Measurement of Market Integration and Arbitrage," Review of Financial Studies, Society for Financial Studies, vol. 8(2), pages 287-325.
- Fama, Eugene F & French, Kenneth R, 1996. " Multifactor Explanations of Asset Pricing Anomalies," Journal of Finance, American Finance Association, vol. 51(1), pages 55-84, March. Full references (including those not matched with items on IDEAS)
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