Richard Stone

Richard Stone: The Man Who Taught Nations to Count

When Britain went to war in 1939, it did not know, in any rigorous sense, how big its own economy was. Within two years a young statistician named Richard Stone and his colleague James Meade had produced the country's first set of national accounts, handing the Treasury a double-entry ledger for an entire nation. The technique spread to almost every government on earth. Four decades later the Nobel committee described the achievement in plain terms: an accounting model that could track economic activity on a national and, later, an international scale.

Early Life

Stone was born in London on 30 August 1913 into a comfortable upper-middle-class household. He was educated at Cliveden Place and then Westminster School. The formative interruption came at seventeen, when his father was appointed a judge in Madras and the family sailed for India. Stone travelled with them, taking in Malaya, Singapore and Indonesia along the way — an unusually wide view of the world for an English schoolboy of the period, and a first encounter with economies organised on principles quite unlike his own country's.

Cambridge

He matriculated at Gonville and Caius College, Cambridge, in 1931 and spent two years reading law, which did not hold him. The switch to economics put him in the hands of Richard Kahn and Gerald Shove as supervisors, and, decisively, in the classroom of Colin Clark, who taught statistics. Clark was then among the very few economists treating measurement as the discipline's central problem rather than a chore to be delegated. Stone absorbed that conviction and never let go of it. He graduated in 1935.

Lloyd's, Then the War

His first job was at Lloyd's of London, where he stayed from 1935 to 1939 — respectable, remunerative and intellectually beside the point. The war rescued him. From 1939 to 1945 Stone served as a statistician and economist for the British government, and it was there, working alongside James Meade, that he built the early national accounts. The first UK accounts were published in 1941.

The importance of this is easy to underrate at a distance. A wartime government has to decide how much of an economy can be diverted to armaments without collapsing the civilian half of it. Answering that question requires knowing what the economy consists of. Stone's contribution was to insist that the answer be internally consistent — that income, output and expenditure be forced to balance the way a company's books balance. Once the accounts were built that way, errors and omissions became visible instead of invisible.

The Department of Applied Economics

In 1945 Stone became director of the Department of Applied Economics at Cambridge, a post he held for a decade. In 1955 he took the P. D. Leake Chair of Finance and Accounting, which he occupied until 1980 and then held as emeritus until his death. The Cambridge years were spent generalising the wartime improvisation into a formal system — one that other nations, and eventually the United Nations, could adopt wholesale. Consumer demand analysis occupied him in parallel: how households actually allocate spending, expressed in equations that could be estimated from real data.

The Cambridge Growth Project

From 1955 Stone co-founded and drove the Cambridge Growth Project, whose product was the Cambridge Multisectoral Dynamic Model. The ambition was to take the static snapshot of the national accounts and set it in motion — to represent an economy as many interacting sectors evolving over time, so that the consequences of a policy could be traced through the whole structure rather than guessed at. It was one of the first serious attempts at large-scale economic modelling, and it established a template that ministries and central banks still follow.

His books tracked the same programme. *Social Accounting and Economic Models* appeared in 1959 and *National Income and Expenditure* in 1961, both written with Giovanna Saffi Stone; *The Cambridge Growth Project* followed in 1965.

Recognition

Cambridge gave him its administrative burdens — he chaired the Faculty Board of Economics and Politics from 1970 to 1972 — and the profession gave him its honours. He was appointed CBE and elected a Fellow of the British Academy. In 1978 he became founding honorary president of Cambridge Econometrics, and from 1978 to 1980 he served as president of the Royal Economic Society. The Nobel Memorial Prize in Economic Sciences came in 1984, awarded to him alone.

Later Years

Stone married three times: Winifred Mary Jenkins in 1936, a marriage dissolved in 1940; Feodora Leontinoff in 1941, who died in 1956; and Giovanna Saffi in 1960, who was also his collaborator and co-author. He died in Cambridge on 6 December 1991, aged seventy-eight, survived by Giovanna and his daughter Caroline.

Why Stone Matters

Every time a finance minister quotes a growth rate, a central bank sets rates against an output gap, or an international agency ranks economies by size, Stone's framework is doing the work underneath. He is routinely called the father of national income accounting, and the title is accurate rather than flattering: before him, macroeconomic policy was argument without a scoreboard. Keynesian economics in particular needed numbers it could be tested against, and Stone supplied them. He built the instrument, and the instrument outlived the debates that prompted it.