20  1

Yasushi Hamao, A Standard Data Base for the Analysis of Japanese Security Markets,
Journal of Business, 64, no. 1 (January 1991), pp. 87-102.

5.       :

Roger G.Ibbotson and Laurence B.Siegel, The World Bond Market: Market Values, Yields,
and Returns, Journal of Fixed Income, 1, no. 1 (June 1991), pp. 90-99.

6.       :

G.William Schwert, Why Does Stock Market Volatility Change Over Time?, Journal of
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Peter Fortune, An Assessment of Financial Market Volatility: Bills, Bonds, and Stocks,
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7.       .  :

G. William Schwert, Indexes of U.S. Stock Prices from 1802 to 1987, Journal of Business,
63, no. 3 (July 1990), pp. 399-426.