Capital and the work are not perfectly replaceable in accomplishing a constant level of income. The continuous addition of capital makes the costmarginal benefit report decrease. The more the firm combines more capital with relatively less work in order to get a quantity given by the production,...

The history of the world’s economical development demonstrate that, in all times, the welfare of an nation was generated by the gross internal product’s level, which represents “the gross value of the final production of goods and services produced, in a specific period of time, by the...