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THE JOURNAL OF ECONOMIC SCIENCES: THEORY AND PRACTICE, V.72, # 1, 2015, pp. 61-94



                    customers as well as invest in marketing.  In essence, each of these key players is

                    fully integrated in  as such that they invest  and  take part in  most of the activities


                    present in the value chain. Thus these companies explore and produce oil and gas

                    globally.  Furthermore  they  are  most  likely  to  own  pipelines  and  tankers  that


                    transport the fossil fuels from oilrigs and gas platforms to their desired location, as

                    well  as  refineries  to  process  the  crude  oil  into  refined  products.  Lastly,  the  key

                    players  of  the  industry  are  more  likely  to  sell  their  products  wholesale  and  retail


                    globally  and sell these products  through a  global  network of wholesale and retail

                    outlets. There are companies that are considered key players in the oil industry in


                    terms of their size rather than their integration along the value chain.


























                    Figure 2: Effect of Geopolitical Events on Global Oil Production Capacity (PIRA Consulting, 2011)



                       Companies  such  as  the National  Iranian  Oil  Company  and  Saudi  Arabian  Oil

                    Company are the largest producers of oil per barrel per day overshadowing many


                    existent oil companies. In contrast, there are smaller yet important players that are


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