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In economics, the Leontief production function or fixed proportions production function is a production function that implies the factors of production will be used in fixed (technologically pre-determined) proportions, as there is no substitutability between factors. It was named after Wassily Leontief and represents a limiting case of the constant elasticity of substitution production function. The function is of the form : where ''q'' is the quantity of output produced, ''z''1 and ''z''2 are the utilised quantities of input 1 and input 2 respectively, and ''a'' and ''b'' are technologically determined constants. ==Example== Suppose that the intermediate goods "tires" and "steering wheels" are used in the production of automobiles (for simplicity of the example, to the exclusion of anything else). Then in the above formula ''q'' refers to the number of automobiles produced, ''z''1 refers to the number of tires used, and ''z''2 refers to the number of steering wheels used. Assuming each car is produced with 4 tires and 1 steering wheel, the Leontief production function is :Number of cars = Min. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Leontief production function」の詳細全文を読む スポンサード リンク
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