TY  - JOUR
AU  - Kenneth Edwards
AU  - John D. Jackson and Henry L. Thompson
PY  - 2000/04//
TI  - A Note on Vertical Integration and Stock Ratings of Oil Companies in the U.S.
JO  - The Energy Journal
VL  - Volume21
DO  - 10.5547/ISSN0195-6574-EJ-Vol21-No2-7
IS  - 2
KW  - oil prices
KW  - oil company stock ratings
KW  - oil sales
KW  - vertical integration
SN  - 1944-9089
UR  - http://www.iaee.org/en/publications/ejarticle.aspx?id=1342