Palaskas, Theodosios B. Is there excess co-movement of primary commodity prices?: a co-integration test by Theodosios B. Palaskas and Panos N. Varangis - Washington, D.C. IBRD 1991 - 41p. - IBRD. Working Papers: WPS 758 . Subjects--Topical Terms: Prices Dewey Class. No.: T123 P173