The concept of consumer surplus was developed by:

The concept of consumer surplus was developed by:

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Explanation

Alfred Marshall was famously known for his principle of economics theory and propounded the theory of consumer surplus

Alfred Marshall FBA was an English economist and was one of the most influential economists of his time. 

Born: July 26, 1842, London, United Kingdom

Died: July 13, 1924, Cambridge, United Kingdom

ND5-09-2023