Abstract:The new millennium has witnessed large scale mergers of oil companies, thereby bringing about a more concentrated industry. Standard & Poor's (2000) classification included 33 international integrated companies, while Hoover's online (2000) classification lists 50 international integrated companies as the current constituents of this industry. Of particular interest to this paper is the creation of BP plc (1998) (formerly BPAmoco), ExxonMobil Corporation (1999), ChevronTexaco Corporation (2001) and the Roy… Show more
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