<P> John Maynard Keynes , 1st Baron Keynes CB FBA ( / keɪnz / KAYNZ ; 5 June 1883 -- 21 April 1946 ) , was a British economist whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments . He built on and greatly refined earlier work on the causes of business cycles , and was one of the most influential economists of the 20th century and the founder of modern macroeconomic theory . His ideas are the basis for the school of thought known as Keynesian economics , and its various offshoots . </P>
<P> John Maynard Keynes , 1st Baron Keynes CB FBA ( / keɪnz / KAYNZ ; 5 June 1883 -- 21 April 1946 ) , was a British economist whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments . He built on and greatly refined earlier work on the causes of business cycles , and was one of the most influential economists of the 20th century and the founder of modern macroeconomic theory . His ideas are the basis for the school of thought known as Keynesian economics , and its various offshoots . </P>
who is the founding father of keynesianism ( last name )
who is the founding father of keynesianism ( last name )
Keynes
Keynes