Richard Ferdinand Kahn, Baron Kahn
(10 August 1905 – 6 June 1989) was a British
Kahn was born in Hampstead
to Augustus Kahn, a German schoolmaster and an orthodox Jew
, and Regina Schoyer. He raised in England
and was educated on St Paul's School
. Kahn received a Bachelor of Arts
in Physic in 1927 at King's College, Cambridge
, where he was placed in the second class of the Natural Science Tripos
. He was taught economics by Gerald Shove
and John Maynard Keynes
in 1927-28. In 1930, he was elected a Fellow
of King's College.
He worked in the Faculty of Economics and Politics from 1933. He became Director of Studies for economics students at King's in 1947, a post he held for four years. Kahn was appointed Professor
in 1951, retiring in 1972.
Arguably, Kahn's most notable contribution to economics was his principle of the multiplier
. The multiplier is the relation between the increase in aggregate expenditure and the increase in net national product (output). It is the increase in aggregate expenditure (for example government spending) that causes the increase in output (or income).
Kahn was made a Commander
of the Order of the British Empire
in 1946 and became a Fellow of the British Academy
in 1960, and was created a life peer
with the title Baron Kahn
, of Hampstead in the London Borough of Camden
on 6 July 1965.