Home > Economics FAQs Blogs > If someone goes on a training course to increase their Marginal Revenue Product of Labour (MRPL), is that just a movement along the MRPL curve leftward?
This question pertains to topics in Microeconomics, such as Labour Economics and Human Capital Theory
Marginal Revenue Product of Labour (MRPL): This is the additional revenue that a firm obtains by employing an extra unit of labour, assuming all other inputs are held constant. It is calculated by multiplying the marginal product of labour (extra output obtained from an additional worker) by the marginal revenue (extra revenue from selling the additional output).
In general,
attending a training course enhances a worker's productivity. This essentially increases the worker's marginal product of labour. Consequently, the
Marginal Revenue Product of Labour (MRPL) for the firm would also increase, as the firm is now able to generate more revenue from the enhanced output of the trained worker.
Rather than a movement along the existing MRPL curve, this scenario is typically represented by an upward shift of the MRPL curve. A movement along the curve usually represents a change in the number of labour units employed, not a change in the productivity of each labour unit.
The shift of the MRPL curve signifies that the worker, at each level of employment, is now more productive and thus generates more revenue for the firm.
Tech Industry Training (Continuous Upskilling): In the tech industry, continuous upskilling is common. As employees undergo training and improve their skills, their productivity increases, and they contribute more value to the company. This would be represented by an upward shift in the MRPL curve.
Professional Development in Teaching: In the education sector, teachers often attend professional development courses to enhance their teaching skills. This can lead to better student outcomes and more value generated for the school, again represented by an upward shift in the MRPL curve.
Increasing a worker's productivity via training leads to an increase in the Marginal Revenue Product of Labour (MRPL), which is typically represented by an upward shift in the MRPL curve rather than a movement along the curve. This is because the training enhances the productivity of the worker at each level of employment, thereby increasing the revenue that each worker can generate for the firm. Real-world examples of this concept can be found in industries like technology and education where continuous training and professional development are prevalent.
