PT - JOURNAL ARTICLE AU - Steven C. Leuthold TI - The Causes (and Cures?) of Market Volatility AID - 10.3905/jpm.1976.408557 DP - 1976 Jan 31 TA - The Journal of Portfolio Management PG - 21--25 VI - 2 IP - 2 4099 - https://pm-research.com/content/2/2/21.short 4100 - https://pm-research.com/content/2/2/21.full