Angus Deaton

• 1. Introduction

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  Angus Deaton was born on the 19th of October 1945 in Edinburgh, Scotland, and he grew up to become one of the economists whose work most fundamentally changed how the world measures poverty and human welfare. In 2015, the Royal Swedish Academy of Sciences awarded him the Nobel Memorial Prize in Economic Sciences, saying that no one had done more to link individual consumption choices to what those choices tell us about the wellbeing of entire societies. The questions his career raised are ones that sound almost elementary until you try to answer them with precision: why do some people go hungry while others grow wealthy? What does it mean to be poor? How do you measure whether a life is going well or badly? And perhaps most unsettling of all: can the economics profession itself be trusted to answer those questions honestly?

• 2. Edinburgh to Cambridge

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  Hawick High School in the Scottish Borders is where Deaton first studied, before he won a foundation scholarship to Fettes College. The summer of 1964 found him working at Portmeirion Hotel, a detail that tells you something about a career shaped less by inherited privilege than by steady application of effort. He went on to earn his bachelor's, master's, and doctoral degrees all at the University of Cambridge, finishing his Ph.D. in 1975 with a thesis called Models of Consumer Demand and Their Application to the United Kingdom. His supervisor was Richard Stone, the economist who himself had won a Nobel Prize for pioneering national income accounting. At Fitzwilliam College, Deaton was first a student and then a fellow, and he worked alongside both Stone and Terry Barker in the Department of Applied Economics. That early training in rigorous measurement of how ordinary people actually spend money would become the thread running through everything that followed.

• 3. The Almost Ideal Demand System

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  In 1976, Deaton took a professorship in econometrics at the University of Bristol, and it was there that much of his most influential thinking crystallized. Two years later, in 1978, he became the first-ever recipient of the Frisch Medal, the Econometric Society's prize for an outstanding applied paper published in Econometrica within the previous five years. Then, in 1980, the paper that would define his early reputation appeared in The American Economic Review. Written with John Muellbauer, it introduced what they called the Almost Ideal Demand System, or AIDS. The model offered a way to understand how demand for different goods shifts as prices and incomes change, and it did so with enough flexibility to support a full welfare analysis of policies affecting consumers. The American Economic Review later listed it among the top twenty papers the journal had published across its entire first hundred years. What made it practically powerful was that it could aggregate across consumers without the artificial assumption that all households respond to income in exactly the same proportional way, and it remained consistent with the fundamental constraints of household budgeting.

• 4. Princeton and Global Poverty

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  In 1983, Deaton left Bristol for Princeton University, where he would eventually hold the Dwight D. Eisenhower Chair in Economics and International Affairs. His focus widened from consumer demand into the much larger terrain of global poverty, inequality, and health. The Nobel committee, in announcing the 2015 prize, noted that economic policy designed to reduce poverty can only be crafted once researchers understand how individuals make consumption choices, and that Deaton had done more than anyone to deepen that understanding. Deaton himself, upon learning he had won, described himself as "someone who's concerned with the poor of the world and how people behave, and what gives them a good life." The prize recognized his capacity to connect what looks like abstract microeconomic theory to concrete outcomes for billions of people. Since 2017, he has also held a joint appointment as Presidential Professor of Economics at the University of Southern California.

• 5. Deaths of Despair

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  A 2015 paper co-authored with Anne Case, published in the Proceedings of the National Academy of Sciences, produced findings that reverberated far beyond academic economics. Case and Deaton documented a rising all-cause mortality rate among middle-aged white non-Hispanic Americans, a trend they identified as unique among wealthy nations. Less-educated white non-Hispanics faced the greatest risk, and the causes clustering behind the rise were drug and alcohol poisonings, suicide, and chronic liver diseases and cirrhosis. Case and Deaton gave these a name that stuck: deaths of despair. The CDC data they cited illustrated the scale of the opioid component: for every prescription painkiller death in 2008, there were 10 treatment admissions for abuse, 32 emergency department visits for misuse or abuse, 130 people who were dependent or abusing, and 825 nonmedical users. Case and Deaton described those already in midlife at the time of writing as possibly a "lost generation" whose prospects were bleaker than those of the cohort before them. A follow-up study in 2017, funded through the National Institute on Aging via the National Bureau of Economic Research, refined those findings: educated white non-Hispanics had begun to see their mortality rates fall again, while rates for the less-educated continued to climb, and the researchers traced the divergence to worsening labor market opportunities rather than to any difference in contemporaneous income or resources.

• 6. Rethinking the Profession

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  In 2024, Deaton published a piece announcing that he had changed his mind on a large portion of the mainstream economics he had spent his career promoting. His conclusion was pointed: he argued that economists would benefit from deeper engagement with the ideas of philosophers, historians, and sociologists, the way Adam Smith once had. It was a rare public recantation from a Nobel laureate, and it landed alongside a separate political intervention. In June 2024, Deaton was one of 16 Nobel Prize winners in Economics who signed an open letter warning that Donald Trump's fiscal and trade policies, combined with efforts to limit the Federal Reserve's independence, would reignite inflation in the United States. Deaton's personal life intersects with his scholarship in an unusual way: he is married to Anne Case, his collaborator on the deaths-of-despair research, who holds the Alexander Stewart 1886 Chair at Princeton's School of Public and International Affairs. The couple share interests in the opera and trout fishing. In 2016, the year he was knighted in the Queen's Birthday Honours for services to research in economics and international affairs, he and Case were listed together at number 14 on the Politico 50 guide to the thinkers most actively shaping American politics.