sir john richard hicks (8 april 1904 – 20 may 1989) was a british economist. he contributed to the fields of consumer demand theory in microeconomics. in 1937, he developed the is/lm model which summarizes a keynesian view of macroeconomics. his book "value and capital" (1939) significantly extended general-equilibrium and value theory. the compensated demand function is named the hicksian demand function in memory of him.