Scientific journal NRU ITMO
Series "Economics and Environmental Management"
Registration certificate ЭЛ № ФС 77 – 55411 от 17.09.2013
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ISSN:2310-1172

December 2014 (published: 09.12.2014)

Number 4(19)

Home > Issue > Game Theoretic Oligopoly Enterprises’ Profit Model with Limited Productive Capacity

UDC 378

Game Theoretic Oligopoly Enterprises’ Profit Model with Limited Productive Capacity

Zatonskiy A.V., Kopoteva A.V.

In this issue a problem of oligopoly enterprises’ profit evaluation is developed and solved. It is assumed that there are more than two field enterprises with different average costs and limited productive capacities. World potash industry was chosen as a test object. Initial model choice is based upon the potash field properties. Enterprises’ cost functions and field demand function were estimated using simple linear regression and open access data. Enterprises’ profit maximizing yields were defined using function maximum necessary and sufficient conditions. Then their values were corrected using enterprises’ productive capacities. After that average field potash unit price was estimated using demand function and potash enterprises’ optimal profits were calculated.
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Keywords: activity efficiency, game theory, Cournot competition model, regression analysis, cost function, world potash industry

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