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Angus Deaton

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Sir Angus Deaton is a highly influential British-American economist and academic. An economist is a scientist who studies how people use resources and money. Deaton's research focuses on poverty, inequality, health, and economic development. He seeks to understand what truly gives people a good life. His work connects individual choices to large economic outcomes. This helps leaders design better policies to reduce poverty.

Deaton's academic journey began in Edinburgh, Scotland, where he was born in 1945. He attended Hawick High School and later Fettes College. He earned his B.A., M.A., and Ph.D. from the University of Cambridge. In 1975, he completed his doctoral thesis on consumer demand. He worked under the supervision of Richard Stone at Cambridge. After Cambridge, he became a Professor of Econometrics at the University of Bristol in 1976. In 1983, he moved to Princeton University in the United States. He currently holds positions at Princeton and the University of Southern California.

One of Deaton's most famous contributions is the Almost Ideal Demand System, or AIDS. He developed this model with John Muellbauer and published it in 1980. The AIDS model is a mathematical way to understand consumer demand. It shows how people choose to buy goods based on their income and prices. The system is flexible enough to support full welfare analysis. This means it helps experts see how new policies might affect a person's well-being. His 1980 paper is considered one of the twenty most influential articles in its journal's first century.

In recent years, Deaton has focused on health and mortality trends. Along with Anne Case, he published research regarding mortality in the 21st century. They studied rising death rates among middle-aged, white, non-Hispanic Americans. They discovered these rising rates were unique among wealthy nations. The researchers found that less-educated individuals were at the highest risk. They categorized many of these deaths as "deaths of despair." These include deaths from drug and alcohol poisoning, suicide, and chronic liver diseases.

Deaton and Case expanded this research in a 2017 study. They found that mortality rates for educated white non-Hispanics had begun to decrease. However, rates for uneducated white non-Hispanics continued to climb. They also noted that rates for Black and Hispanic populations continued to decrease. The research suggested that worsening labor market opportunities played a role. These poor job opportunities led to cumulative disadvantages in marriage and health. This work highlights how economic stability is tied to physical and mental well-being.

Deaton has received many prestigious international honors for his scholarship. In 1978, he was the first recipient of the Frisch Medal. In 2015, he was awarded the Nobel Memorial Prize in Economic Sciences. This prize recognized his analysis of consumption, poverty, and welfare. He was also knighted in 2016 for his services to research. He is a member of the National Academy of Sciences and the American Philosophical Society. These honors reflect his massive impact on the field of economics.

His work connects several different fields of study together. By linking microeconomics and macroeconomics, he changed how we view development. Microeconomics looks at individuals, while macroeconomics looks at entire countries. Deaton shows how the small choices of one person affect the large systems of a nation. He also believes economists should learn from other subjects. In 2024, he suggested economists should engage more with philosophy, history, and sociology. This broader view helps prevent mistakes in economic thinking.

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