The concept of surplus value was invented by Karl Marx. He invented this because he was unhappy with the political situation of the country and worldwide. The term 'surplus value' was not invented by Karl Marx, but the concept was developed by him. The meaning behind the concept is the new value that is created by the workers in the excess of their own cost of labour. According to Marx, this value is the appropriation by the capitalist as gross profit and this is the main basis of the capital accumulation.
According to this concept, the employees should ...