Johannes de Villiers Graaff (original) (raw)

Johannes de Villiers Graaff (also known as Jan de Van Graaff or Jannie Graaff) (19 February 1928 – 6 January 2015) was a neoclassical South African welfare economist. Graaff is noted for his work on optimal savings rates, contributions to the creation of the social welfare function and for his 1957 magnum opus Theoretical Welfare Economics.