Richards, Anthony J. Idiosyncratic risk: an empirical analysis, with implications for the risk of relative-value trading strategies / Anthony J. Richards - Washington : International Monetary Fund (IMF) , 1999 - 33p : ill. ; 30 cm. - IMF Working Paper No. WP-99/148 . Includes bibliographical references. Subjects--Topical Terms: RiskPricesEconomic models Gov. Doc. Class. No.: UN IMF WP-99-148