 The economy consists of two departments I and II, where I is the investments goods department (means of production) and II is the consumption goods department, where the consumption goods for workers are produced.The coefficients of production tell how much of the several inputs is necessary to produce one unit of output of a given commodity ("production of commodities by means of commodities").In the model below two outputs exist formula_1, the quantity of investment goods, and formula_2, the quantity of consumption goods.