Law of Returns to Scale
The law of returns to scale examines the relationship between output and the scale of inputs in the long-run when all the inputs are increased in the same proportion. This law of returns to scale in economics is based on the following assumptions; All factors are variable but the enterprise is fixed. There is no change in technology. Perfect competition prevails in the market. Returns are measured in physical terms. Three Phases of the Law of Returns to Scale Depending on whether the proportionate change in output exceeds, equals or decrease in proportionate to the change in both the inputs, the production is classified as increasing returns to scale, constant returns to scale and decreasing returns to scale. 1. Increasing Returns to Scale Increasing returns to scale arises due to the following reasons. Dimensional economies, Economies flowing from indivisibility, Economies of specialization, Technical economies, Managerial economies, Marketing economies. Alfred Marshall Continue reading