Profitability of major oil companies
Subtitle: normal returns or windfall profits?
By: Gerald D. Keim ... [et al.].
Contributors: Keim, Gerald D.
Series: Research monograph series / Center for Education and Research in Free Enterprise, Texas A&M University ;; no. 4; Research monograph series (Texas A & M University. Center for Education and Research in Free Enterprise) ;; no. 4.
Publisher: Center for Education and Research in Free Enterprise, Texas A&M University
Published: 1980
Place of publication: College Station, Tex
Language: eng
Number of pages: 16
Subjects: Petroleum industry and trade -- United States.; Profit -- United States.