Abstract in English

The present research aimed at calculating the optimum size of production so reaching the minimum point at production cost curve. The profit function in the short run was used , the results showed that the optimum size of phosphate' factory production amounted to about 27.5 thousands ton which accompanied with both minimum cost and higher profit.

References used

Robert J Gale, Peter Stokoe , Handbook of Environmentally Conscious Manufacturing -Environmental cost accounting and Business Strategy (Kluwer Academic Publishers), 2001, pp 4- 6
Jikamp(1990) ,Regional sustainable Development and Natural Resource Use,World Bank,P.158

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