Citation

Discussion Paper Details

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Title: Dispersion and Volatility in Stock Returns: An Empirical Investigation

Author(s): John Y Campbell, Sangjoon Kim and Martin Lettau

Publication Date: August 1998

Keyword(s): Business Cycles, dispersion and Volatility

Programme Area(s): Financial Economics

Abstract: This paper studies three different measures of monthly stock market volatility: the time-series volatility of daily market returns within the month; the cross-sectional volatility or ?dispersion? of daily returns on industry portfolios, relative to the market, within the month; and the dispersion of daily returns on individual firms, relative to their industries, within the month. Over the period 1962?95 there has been a noticeable increase in firm-level volatility relative to market volatility. All the volatility measures move together in a countercyclical fashion. While market volatility tends to lead the other volatility series, industry-level volatility is a particularly important leading indicator for the business cycle.

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Bibliographic Reference

Campbell, J, Kim, S and Lettau, M. 1998. 'Dispersion and Volatility in Stock Returns: An Empirical Investigation'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=1923