Technical progress (economics)

Technical progress (or technological progress) is an economic measure of innovation.


Technical progress can be classified into two parts:

In the real world, many innovations do not require replacing the entire or some part of the equipment. It can be improved for better use depending upon the change required. Hence technological progress, embodied or disembodied, is matter of degree.

Kaldor's technical progress function

The technical progress function developed by Nicholas Kaldor measures technical progress as the rate of growth of labour productivity. It is described by the following statements:

  1. The larger the rate of growth of capital/input per worker, the larger the rate of growth of output per worker, of labour productivity. The rate of growth of labor productivity is thus explained by the rate of growth of capital intensity.
  2. In equilibrium capital/input per worker and output per worker grow at the same rate, the equilibrium rate of growth.
  3. At growth rates below the equilibrium rate of growth, the growth rate of output per worker is larger than the growth rate of capital/input per worker.
  4. At growth rates above the equilibrium rate of growth it is the other way round, the rate of growth of output per worker is less than the rate of growth of capital/input per worker.

Different technical progress models

Technical progress and human capital

Technology has an important relationship with human capital. Same technology can be applied in two different firms, but output varies with respect to the labour force of that firm. Adaption to new technology is directly proportional to pace of economic growth of the country. Hence labour should be experienced with the technology. Education also plays an important role as it helps in accumulating human capital which in turn helps technology diffusion. Education also helps a person get acquainted with technology efficiently and rapidly.


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