LAW OF DIMINISHING MARGINAL PRODUCTIVITY

An economic rule stating that if more variable input units are used but the other inputs are at the same level, the overall output will grow initially, then at constant rate, and eventually will decrease. The law helps explain why increasing production is not always the best option to boost profitability. There are certain instances that the production of commodity has to be stopped at some point, increase another input, or add some other product or service to maximize profit.