+Arthur Pigou (1877–1959) was an English economist, a pioneering figure in [Welfare Economics](/wiki/welfare_economics). He is renowned for his work on [Externalities](/wiki/externalities) and for proposing the Pigovian tax to address market failures.
+## See also
+- [Pigovian Tax](/wiki/pigovian_tax)
+- [Market Failure](/wiki/market_failure)
+- [Public Finance](/wiki/public_finance)
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