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Angus Deaton Awarded Nobel Prize in Economic Sciences

By: , Posted on: October 13, 2015

Angus Deaton

The application of microeconomic tools in the service of easing poverty has taken another step forward with the awarding of this year’s Nobel Prize in Economics to Angus Deaton.  “In essence this is applied economics at its finest,” said Torsten Persson, the economics prize committee secretary.

Professor Deaton’s Elsevier publications demonstrate his wide interests.  In high visibility journals such as the Journal of Econometrics  and Social Science & Medicine  and in the Handbooks in Economics, he has taken part in “transforming development economics from a field that used to be largely theoretical and based on crude national accounts data to a flourishing field largely based on micro or individual data,” according to Professor Persson.

Mr. Deaton’s award comes as members of the United Nations set new development objectives for 2030 to succeed the Millennium Development Goals established in 2000 and which included eight antipoverty targets to be achieved by this year.

Read on for more information reprinted from materials  provided by Nobel Foundation.

The Royal Swedish Academy of Sciences has decided to award The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel for 2015 to Angus Deaton, Princeton University, NJ, USA, “for his analysis of consumption, poverty, and welfare.”

Consumption, great and small

To design economic policy that promotes welfare and reduces poverty, we must first understand individual consumption choices. More than anyone else, Angus Deaton has enhanced this understanding. By linking detailed individual choices and aggregate outcomes, his research has helped transform the fields of microeconomics, macroeconomics, and development economics.

The work for which Deaton is now being honored revolves around three central questions:

How do consumers distribute their spending among different goods? Answering this question is not only necessary for explaining and forecasting actual consumption patterns, but also crucial in evaluating how policy reforms, like changes in consumption taxes, affect the welfare of different groups. In his early work around 1980, Deaton developed the Almost Ideal Demand System — a flexible, yet simple, way of estimating how the demand for each good depends on the prices of all goods and on individual incomes. His approach and its later modifications are now standard tools, both in academia and in practical policy evaluation.

How much of society’s income is spent and how much is saved? To explain capital formation and the magnitudes of business cycles, it is necessary to understand the interplay between income and consumption over time. In a few papers around 1990, Deaton showed that the prevailing consumption theory could not explain the actual relationships if the starting point was aggregate income and consumption. Instead, one should sum up how individuals adapt their own consumption to their individual income, which fluctuates in a very different way to aggregate income. This research clearly demonstrated why the analysis of individual data is key to untangling the patterns we see in aggregate data, an approach that has since become widely adopted in modern macroeconomics.

How do we best measure and analyze welfare and poverty? In his more recent research, Deaton highlights how reliable measures of individual household consumption levels can be used to discern mechanisms behind economic development. His research has uncovered important pitfalls when comparing the extent of poverty across time and place. It has also exemplified how the clever use of household data may shed light on such issues as the relationships between income and calorie intake, and the extent of gender discrimination within the family. Deaton’s focus on household surveys has helped transform development economics from a theoretical field based on aggregate data to an empirical field based on detailed individual data.

Angus Deaton, UK and US citizen. Born 1945 in Edinburgh, UK. Ph.D. 1974 from University of Cambridge, UK. Professor of Economics and International Affairs, Princeton University, NJ, USA, since 1983.

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The above post is reprinted from materials provided by Nobel FoundationNote: Materials may be edited for content and length.

Handbooks in Economics Series: The Handbooks in Economics are deeply rooted in this non-doctrinaire approach to economic research.  Nobel laureate Kenneth Arrow, a Stanford economics professor, co-founded the Handbooks in Economics in 1983. They provide the various branches of economics with handbooks which are definitive reference sources, suitable for use by professional researchers, advanced graduate students, or by those seeking a teaching supplement.

handbooks economicsAngus Deaton is a contributor to two articles in the Handbook in Economics Series including:

Demand analysis, Handbook of Econometrics

Data and econometric tools for development analysis, Handbook of Development Economics

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