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In 1954 Kahneman received his Bachelor of Science degree, with a major in psychology and a minor in mathematics, from the [[Hebrew University of Jerusalem]]. Israeli intellectual [[Yeshayahu Leibowitz]], whom Kahneman describes as influential in his intellectual development, was Kahneman's chemistry teacher at [[Beit-Hakerem High School]], and Kahneman's physiology professor at university.<ref name=":0">{{Cite web |title=Interview with Daniel Kahneman |url=https://www.maxraskin.com/interviews/daniel-kahneman |access-date=2022-03-01 |website=Interviews with Max Raskin |language=en-US}}</ref> Kahneman was average in mathematics, but he thrived in psychology.<ref name=":1">{{Cite web |title=The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002 |url=https://www.nobelprize.org/prizes/economic-sciences/2002/kahneman/biographical/ |access-date=2023-11-20 |website=NobelPrize.org |language=en-US}}</ref> Kahneman was led to psychology when he discovered in his teens that he was more interested in why people believe in God than in whether God exists, and more interested in indignation than in ethics.<ref name=":1" />
In 1954 Kahneman received his Bachelor of Science degree, with a major in psychology and a minor in mathematics, from the [[Hebrew University of Jerusalem]]. Israeli intellectual [[Yeshayahu Leibowitz]], whom Kahneman describes as influential in his intellectual development, was Kahneman's chemistry teacher at [[Beit-Hakerem High School]], and Kahneman's physiology professor at university.<ref name=":0">{{Cite web |title=Interview with Daniel Kahneman |url=https://www.maxraskin.com/interviews/daniel-kahneman |access-date=2022-03-01 |website=Interviews with Max Raskin |language=en-US}}</ref> Kahneman was average in mathematics, but he thrived in psychology.<ref name=":1">{{Cite web |title=The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002 |url=https://www.nobelprize.org/prizes/economic-sciences/2002/kahneman/biographical/ |access-date=2023-11-20 |website=NobelPrize.org |language=en-US}}</ref> Kahneman was led to psychology when he discovered in his teens that he was more interested in why people believe in God than in whether God exists, and more interested in indignation than in ethics.<ref name=":1" />


In 1954 he began his military service as a second lieutenant, serving for a year in infantry.<ref name=":1" /> He then served in the psychology department of the [[Israeli Defense Forces]]. He developed a structure interview for combat recruits, which remained in use in the IDF for several decades. Kahneman describes his military service as a "very important period" in his life.<ref name=":0" />
In 1954 he began his military service as a second lieutenant, serving for a year in infantry.<ref name=":1" /> He then served in the psychology department of the [[Israeli Defense Forces]]. He developed a structured interview for combat recruits, which remained in use in the IDF for several decades. Kahneman describes his military service as a "very important period" in his life.<ref name=":0" /><ref>{{Cite news |last=Akst |first=Daniel |title=Daniel Kahneman: How Companies Can Improve Their Hiring Process |url=https://www.wsj.com/articles/daniel-kahneman-how-companies-can-improve-their-hiring-process-11632225600 |access-date=2024-03-12 |work=WSJ |language=en-US}}</ref>


In 1958 he went to the United States to study for his [[PhD]] in Psychology at the [[University of California, Berkeley]]. His 1961 dissertation, advised by [[Susan M. Ervin-Tripp|Susan Ervin]], examined relations between adjectives in the [[semantic differential]] and allowed him to "engage in two of [his] favorite pursuits: the analysis of complex correlational structures and [[Fortran|FORTRAN]] programming."<ref name="NobelPrize Bio 2002"/>
In 1958 he went to the United States to study for his [[PhD]] in Psychology at the [[University of California, Berkeley]]. His 1961 dissertation, advised by [[Susan M. Ervin-Tripp|Susan Ervin]], examined relations between adjectives in the [[semantic differential]] and allowed him to "engage in two of [his] favorite pursuits: the analysis of complex correlational structures and [[Fortran|FORTRAN]] programming."<ref name="NobelPrize Bio 2002"/>
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===Cognitive psychology===
===Cognitive psychology===
Kahneman began his academic career as a lecturer in psychology at the Hebrew University of Jerusalem in 1961.<ref name="NobelPrize Bio 2002"/> He was promoted to senior lecturer in 1966.
Kahneman began his academic career as a lecturer in psychology at the Hebrew University of Jerusalem in 1961.<ref name="NobelPrize Bio 2002"/> He was promoted to senior lecturer in 1966.
His early work focused on visual perception and attention. For example, his first publication in the prestigious journal ''[[Science (journal)|Science]]'' was entitled "Pupil Diameter and Load on Memory" (Kahneman & Beatty, 1966). During this period, Kahneman was a visiting scientist at the [[University of Michigan]] (1965–66) and the Applied Psychology Research Unit in [[Cambridge]] (1968/1969, summers). He was a fellow at the Center for Cognitive Studies, and a lecturer in [[cognitive psychology]] at [[Harvard University]] in 1966/1967.
His early work focused on visual perception and attention. For example, his first publication in the prestigious journal ''[[Science (journal)|Science]]'' was entitled "Pupil Diameter and Load on Memory" (Kahneman & Beatty, 1966). During this period, Kahneman was a visiting scientist at the [[University of Michigan]] (1965–66) and the Applied Psychology Research Unit in [[Cambridge]] (1968/1969, summers). He was a fellow at the Center for Cognitive Studies, and a lecturer in [[cognitive psychology]] at [[Harvard University]] in 1966/1967. His work on attention led to a book, “Attention and Effort” , in which he presented a theory of effort based on studies of pupillary changes during mental tasks.<ref>{{Cite book |last=Kahneman |first=Daniel |title=Attention and effort |date=1973 |publisher=Prentice-Hall |isbn=978-0-13-050518-7 |series=Prentice-Hall series in experimental psychology |location=Englewood Cliffs, N.J}}</ref>'' ''Much later Kahneman developed rules of counterfactual thinking, and published "Norm Theory" with Dale Miller.<ref>{{Cite journal |last=Kahneman |first=Daniel |last2=Miller |first2=Dale T. |date=April 1986 |title=Norm theory: Comparing reality to its alternatives. |url=https://doi.apa.org/doi/10.1037/0033-295X.93.2.136 |journal=The Psychological Review |language=en |volume=93 |issue=2 |pages=136–153 |doi=10.1037/0033-295X.93.2.136 |issn=1939-1471}}</ref>


===Judgment and decision-making===
===Judgment and decision-making===
This period marks the beginning of Kahneman's lengthy collaboration with [[Amos Tversky]]. Together, Kahneman and Tversky published a series of seminal articles in the general field of judgment and decision-making, culminating in the publication of their [[prospect theory]] in 1979 (Kahneman & Tversky, 1979). Following this, the pair teamed with [[Paul Slovic]] to edit a compilation entitled "Judgement Under Uncertainty: Heuristics and Biases" (1982) that proved to be an important summary of their work and of other recent advances that had influenced their thinking. Kahneman was ultimately awarded the [[Nobel Memorial Prize in Economics]] in 2002 for his work on prospect theory.
This period marks the beginning of Kahneman's lengthy collaboration with [[Amos Tversky]]. Together, Kahneman and Tversky published a series of seminal articles in the general field of judgment and decision-making, culminating in the publication of their [[prospect theory]] in 1979 (Kahneman & Tversky, 1979). Following this, the pair teamed with [[Paul Slovic]] to edit a compilation entitled "Judgement Under Uncertainty: Heuristics and Biases" (1982) that proved to be an important summary of their work and of other recent advances that had influenced their thinking. Kahneman was ultimately awarded the [[Nobel Memorial Prize in Economics]] in 2002 for having integrated insights from psychological research into economic science, especially concerning human judgment and decision-making under uncertainty.


In his Nobel biography Kahneman states that his collaboration with Tversky began after Kahneman had invited Tversky to give a guest lecture to one of Kahneman's seminars at Hebrew University in 1968 or 1969.<ref name="NobelPrize Bio 2002"/> Their first jointly written paper, "Belief in the Law of Small Numbers," was published in 1971 (Tversky & Kahneman, 1971). They published seven articles in peer-reviewed journals in the years 1971–1979. Aside from "Prospect Theory," the most important of these articles was "Judgment Under Uncertainty: Heuristics and Biases" (Tversky & Kahneman, 1974), which was published in the prestigious journal ''[[Science (journal)|Science]]'' and introduced the notion of [[anchoring (cognitive bias)|anchoring]]. Kahneman wrote the paper at the [[Van Leer Jerusalem Institute]].<ref name=":0" />
In his Nobel biography Kahneman states that his collaboration with Tversky began after Kahneman had invited Tversky to give a guest lecture to one of Kahneman's seminars at Hebrew University in 1968 or 1969.<ref name="NobelPrize Bio 2002"/> Their first jointly written paper, "Belief in the Law of Small Numbers," was published in 1971 (Tversky & Kahneman, 1971). They published seven articles in peer-reviewed journals in the years 1971–1979. Aside from "Prospect Theory," the most important of these articles was "Judgment Under Uncertainty: Heuristics and Biases" (Tversky & Kahneman, 1974), which was published in the prestigious journal ''[[Science (journal)|Science]]'' and introduced the notion of [[anchoring (cognitive bias)|anchoring]]. Kahneman and Tversky spent an entire year at an office in the Van Leer Institute in Jerusalem. They spent more than three years revising an early version of prospect theory that was completed in early 1975. The final version was published in 1979.<ref name=":0" />


Kahneman left Hebrew University in 1978 to take a position at the [[University of British Columbia]].<ref name="NobelPrize Bio 2002"/>
Kahneman left Hebrew University in 1978 to take a position at the [[University of British Columbia]].<ref name="NobelPrize Bio 2002"/>
Line 91: Line 91:


===Behavioral economics===
===Behavioral economics===
Kahneman and Tversky were both fellows at the [[Center for Advanced Study in the Behavioral Sciences]] at [[Stanford University]] in the academic year 1977–1978. A young economist named [[Richard Thaler]] was a visiting professor at the Stanford branch of the [[National Bureau of Economic Research]] during that same year. According to Kahneman, "[Thaler and I] soon became friends, and have ever since had a considerable influence on each other's thinking."<ref name="NobelPrize Bio 2002" /> Building on prospect theory and Kahneman and Tversky's body of work, Thaler published "Toward a Positive Theory of Consumer Choice" in 1980, a paper which Kahneman has called "the founding text of behavioral economics."<ref name="NobelPrize Bio 2002" />
Kahneman and Tversky were both fellows at the [[Center for Advanced Study in the Behavioral Sciences]] at [[Stanford University]] in the academic year 1977–1978. A young economist named [[Richard Thaler]] was a visiting professor at the Stanford branch of the [[National Bureau of Economic Research]] during that same year. According to Kahneman, "[Thaler and I] soon became friends, and have ever since had a considerable influence on each other's thinking."<ref name="NobelPrize Bio 2002" /> Building in part on prospect theory and Kahneman and Tversky's body of work, Thaler published "Toward a Positive Theory of Consumer Choice" in 1980, a paper which Kahneman has called "the founding text of behavioral economics."<ref name="NobelPrize Bio 2002" /> Richard Thaler obtained a grant from the [[Russell Sage Foundation]] to spend the academic year 1982-83 with Kahneman at the University of British Columbia.<ref>{{Cite web |title=Daniel Kahneman and Richard Thaler on the Beginning of Behavioral Economics {{!}} RSF |url=https://www.russellsage.org/daniel-kahneman-and-richard-thaler-beginning-behavioral-economics |access-date=2024-03-12 |website=www.russellsage.org}}</ref>  Together with Kahneman’s friend Jack Knetsch they worked on two papers that later appeared in significant economic journals, on fairness and on the endowment effect.<ref>{{Cite web |title=In Remembrance |url=https://www.benefitcostanalysis.org/in-remembrance |access-date=2024-03-12 |website=www.benefitcostanalysis.org}}</ref>


Kahneman and Tversky became heavily involved in the development of this new approach to economic theory, but they soon moved to different cities, reducing the intensity and exclusivity of their earlier period of joint collaboration.<ref name=":1" /> According to Kahneman the collaboration 'tapered off' in the early 1980s, although they tried to revive it.<ref>{{Cite web|url=https://www.nobelprize.org/prizes/economic-sciences/2002/kahneman/biographical/|title = The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002}}</ref> Factors included Tversky receiving most of the external credit for the output of the partnership, and a reduction in the generosity with which Tversky and Kahneman interacted with each other.<ref>Michael Lewis. "The Undoing Project: A Friendship that Changed the World". Penguin, 2016 (ISBN 9780141983035)</ref> They would continue to publish together until the end of Tversky's life, but the period when Kahneman published almost exclusively with Tversky ended in 1983, when he published two papers with [[Anne Treisman]], his wife since 1978.
Kahneman and Tversky moved to different cities, reducing the intensity and exclusivity of their earlier period of joint collaboration.<ref name=":1" /> According to Kahneman the collaboration 'tapered off' in the early 1980s, although they tried to revive it.<ref>{{Cite web|url=https://www.nobelprize.org/prizes/economic-sciences/2002/kahneman/biographical/|title = The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002}}</ref> Factors included Tversky receiving most of the external credit for the output of the partnership, and a reduction in the generosity with which Tversky and Kahneman interacted with each other.<ref>Michael Lewis. "The Undoing Project: A Friendship that Changed the World". Penguin, 2016 (ISBN 9780141983035)</ref> They would continue to publish together until the end of Tversky's life, but the period when Kahneman published almost exclusively with Tversky ended in 1983, when he published two papers with [[Anne Treisman]], his wife since 1978.

After publishing multiple articles and chapters in all but one of the years spanning the period 1979–1986 (for a total of 23 published works in 8 years), Kahneman published exactly one chapter during the years 1987–1989. A few papers on decision making appeared after that hiatus, notably cumulative prospect theory (Tversky and Kahneman, 1992) and an explanation of risk-taking by unrealistic “bold forecasts” (Kahneman and Lovallo, 1993), but the focus of Kahneman’s research from that time was the study of subjective experience.<ref>{{Cite journal |last=Tversky |first=Amos |last2=Kahneman |first2=Daniel |date=1992-10-01 |title=Advances in prospect theory: Cumulative representation of uncertainty |url=https://doi.org/10.1007/BF00122574 |journal=Journal of Risk and Uncertainty |language=en |volume=5 |issue=4 |pages=297–323 |doi=10.1007/BF00122574 |issn=1573-0476}}</ref><ref>{{Cite journal |last=Kahneman |first=Daniel |last2=Lovallo |first2=Dan |date=1993 |title=Timid Choices and Bold Forecasts: A Cognitive Perspective on Risk Taking |url=https://www.jstor.org/stable/2661517 |journal=Management Science |volume=39 |issue=1 |pages=17–31 |issn=0025-1909}}</ref>


===Hedonic psychology===
===Hedonic psychology===

Revision as of 16:33, 12 March 2024

Daniel Kahneman
Kahneman in 2009
Born (1934-03-05) March 5, 1934 (age 90)[1]
Tel Aviv, British Mandate of Palestine (now Israel)
NationalityAmerican, Israeli
EducationHebrew University (BA)
University of California, Berkeley (MA, PhD)
Known for
Spouses
PartnerBarbara Tversky
Awards
Scientific career
Fields
Institutions
ThesisAn analytical model of the semantic differential (1961)
Doctoral advisorSusan M. Ervin-Tripp
Notable students
Daniel Kahneman's voice
Recorded August 2013 from the BBC Radio 4 programme Desert Island Discs
Websitescholar.princeton.edu/kahneman/

Daniel Kahneman (/ˈkɑːnəmən/; Hebrew: דניאל כהנמן; born March 5, 1934) is an Israeli-American author, psychologist and economist notable for his work on hedonic psychology, psychology of judgment and decision-making. He is also known for his work in behavioral economics, for which he was awarded the 2002 Nobel Memorial Prize in Economic Sciences (shared with Vernon L. Smith). His empirical findings challenge the assumption of human rationality prevailing in modern economic theory.

With Amos Tversky and others, Kahneman established a cognitive basis for common human errors that arise from heuristics and biases, and developed prospect theory.

In 2011, he was named by Foreign Policy magazine in its list of top global thinkers.[2] In the same year his book Thinking, Fast and Slow, which summarizes much of his research, was published and became a best seller.[3] In 2015, The Economist listed him as the seventh most influential economist in the world.[4]

He is professor emeritus of psychology and public affairs at Princeton University's Princeton School of Public and International Affairs. Kahneman is a founding partner of TGG Group, a business and philanthropy consulting company. He was married to cognitive psychologist and Royal Society Fellow Anne Treisman, who died in 2018.[5]

Early life

Daniel Kahneman was born in Tel Aviv, Mandatory Palestine, in 1934, where his mother, Rachel, was visiting relatives. His parents were Lithuanian Jews who had emigrated to France in the early 1920s. He spent his childhood years in Paris. Kahneman and his family were in Paris when it was occupied by Nazi Germany in 1940. His father, Efrayim, was picked up in the first major round-up of French Jews, but he was released after six weeks due to the intervention of his employer, La Cagoule backer Eugène Schueller.[6]: 52  The family was on the run for the remainder of the war, and survived, except for the death of Kahneman's father due to diabetes in 1944. Kahneman and his family then moved to British Mandatory Palestine in 1948, just before the creation of the state of Israel.[5]

Kahneman has written of his experience in Nazi-occupied France, explaining in part why he entered the field of psychology:

It must have been late 1941 or early 1942. Jews were required to wear the Star of David and to obey a 6 p.m. curfew. I had gone to play with a Christian friend and had stayed too late. I turned my brown sweater inside out to walk the few blocks home. As I was walking down an empty street, I saw a German soldier approaching. He was wearing the black uniform that I had been told to fear more than others – the one worn by specially recruited SS soldiers. As I came closer to him, trying to walk fast, I noticed that he was looking at me intently. Then he beckoned me over, picked me up, and hugged me. I was terrified that he would notice the star inside my sweater. He was speaking to me with great emotion, in German. When he put me down, he opened his wallet, showed me a picture of a boy, and gave me some money. I went home more certain than ever that my mother was right: people were endlessly complicated and interesting.

— [5]

Education and early career

In 1954 Kahneman received his Bachelor of Science degree, with a major in psychology and a minor in mathematics, from the Hebrew University of Jerusalem. Israeli intellectual Yeshayahu Leibowitz, whom Kahneman describes as influential in his intellectual development, was Kahneman's chemistry teacher at Beit-Hakerem High School, and Kahneman's physiology professor at university.[7] Kahneman was average in mathematics, but he thrived in psychology.[8] Kahneman was led to psychology when he discovered in his teens that he was more interested in why people believe in God than in whether God exists, and more interested in indignation than in ethics.[8]

In 1954 he began his military service as a second lieutenant, serving for a year in infantry.[8] He then served in the psychology department of the Israeli Defense Forces. He developed a structured interview for combat recruits, which remained in use in the IDF for several decades. Kahneman describes his military service as a "very important period" in his life.[7][9]

In 1958 he went to the United States to study for his PhD in Psychology at the University of California, Berkeley. His 1961 dissertation, advised by Susan Ervin, examined relations between adjectives in the semantic differential and allowed him to "engage in two of [his] favorite pursuits: the analysis of complex correlational structures and FORTRAN programming."[5]

Academic career

Cognitive psychology

Kahneman began his academic career as a lecturer in psychology at the Hebrew University of Jerusalem in 1961.[5] He was promoted to senior lecturer in 1966. His early work focused on visual perception and attention. For example, his first publication in the prestigious journal Science was entitled "Pupil Diameter and Load on Memory" (Kahneman & Beatty, 1966). During this period, Kahneman was a visiting scientist at the University of Michigan (1965–66) and the Applied Psychology Research Unit in Cambridge (1968/1969, summers). He was a fellow at the Center for Cognitive Studies, and a lecturer in cognitive psychology at Harvard University in 1966/1967. His work on attention led to a book, “Attention and Effort” , in which he presented a theory of effort based on studies of pupillary changes during mental tasks.[10] Much later Kahneman developed rules of counterfactual thinking, and published "Norm Theory" with Dale Miller.[11]

Judgment and decision-making

This period marks the beginning of Kahneman's lengthy collaboration with Amos Tversky. Together, Kahneman and Tversky published a series of seminal articles in the general field of judgment and decision-making, culminating in the publication of their prospect theory in 1979 (Kahneman & Tversky, 1979). Following this, the pair teamed with Paul Slovic to edit a compilation entitled "Judgement Under Uncertainty: Heuristics and Biases" (1982) that proved to be an important summary of their work and of other recent advances that had influenced their thinking. Kahneman was ultimately awarded the Nobel Memorial Prize in Economics in 2002 for having integrated insights from psychological research into economic science, especially concerning human judgment and decision-making under uncertainty.

In his Nobel biography Kahneman states that his collaboration with Tversky began after Kahneman had invited Tversky to give a guest lecture to one of Kahneman's seminars at Hebrew University in 1968 or 1969.[5] Their first jointly written paper, "Belief in the Law of Small Numbers," was published in 1971 (Tversky & Kahneman, 1971). They published seven articles in peer-reviewed journals in the years 1971–1979. Aside from "Prospect Theory," the most important of these articles was "Judgment Under Uncertainty: Heuristics and Biases" (Tversky & Kahneman, 1974), which was published in the prestigious journal Science and introduced the notion of anchoring. Kahneman and Tversky spent an entire year at an office in the Van Leer Institute in Jerusalem. They spent more than three years revising an early version of prospect theory that was completed in early 1975. The final version was published in 1979.[7]

Kahneman left Hebrew University in 1978 to take a position at the University of British Columbia.[5]

In 2021, Kahneman and co-authors Olivier Sibony and Cass Sunstein contributed to the field with work on unwanted variability in human judgments of the same problem, what they term 'noise'. In Noise: A Flaw in Human Judgment, they write that due to factors such as cognitive biases, group dynamics, mood, stress, fatigue, and differences in skill between assessors/decision makers/judges, judgements that should ideally be identical in fact often differ a lot. This gives rise to injustices, hazards and costs of various types. Furthermore, it does so in a way that is distinct from statistical bias and which is affected by cognitive biases but not limited to their influence. In the book, which received much press, they explain what noise is, how it can be detected and how it can be reduced – which can also reduce bias.

Behavioral economics

Kahneman and Tversky were both fellows at the Center for Advanced Study in the Behavioral Sciences at Stanford University in the academic year 1977–1978. A young economist named Richard Thaler was a visiting professor at the Stanford branch of the National Bureau of Economic Research during that same year. According to Kahneman, "[Thaler and I] soon became friends, and have ever since had a considerable influence on each other's thinking."[5] Building in part on prospect theory and Kahneman and Tversky's body of work, Thaler published "Toward a Positive Theory of Consumer Choice" in 1980, a paper which Kahneman has called "the founding text of behavioral economics."[5] Richard Thaler obtained a grant from the Russell Sage Foundation to spend the academic year 1982-83 with Kahneman at the University of British Columbia.[12]  Together with Kahneman’s friend Jack Knetsch they worked on two papers that later appeared in significant economic journals, on fairness and on the endowment effect.[13]

Kahneman and Tversky moved to different cities, reducing the intensity and exclusivity of their earlier period of joint collaboration.[8] According to Kahneman the collaboration 'tapered off' in the early 1980s, although they tried to revive it.[14] Factors included Tversky receiving most of the external credit for the output of the partnership, and a reduction in the generosity with which Tversky and Kahneman interacted with each other.[15] They would continue to publish together until the end of Tversky's life, but the period when Kahneman published almost exclusively with Tversky ended in 1983, when he published two papers with Anne Treisman, his wife since 1978.

After publishing multiple articles and chapters in all but one of the years spanning the period 1979–1986 (for a total of 23 published works in 8 years), Kahneman published exactly one chapter during the years 1987–1989. A few papers on decision making appeared after that hiatus, notably cumulative prospect theory (Tversky and Kahneman, 1992) and an explanation of risk-taking by unrealistic “bold forecasts” (Kahneman and Lovallo, 1993), but the focus of Kahneman’s research from that time was the study of subjective experience.[16][17]

Hedonic psychology

In the 1990s, Kahneman's research focus began to gradually shift in emphasis towards hedonic psychology. According to Kahneman and colleagues,

Hedonic psychology...is the study of what makes experiences and life pleasant or unpleasant. It is concerned with feelings of pleasure and pain, of interest and boredom, of joy and sorrow, and of satisfaction and dissatisfaction. It is also concerned with the whole range of circumstances, from the biological to the societal, that occasion suffering and enjoyment.[18]

(This subfield is closely related to the positive psychology movement, which was steadily gaining in popularity at the time.)

It is difficult to determine precisely when Kahneman's research began to focus on hedonics, although it likely stemmed from his work on the economic notion of utility. After publishing multiple articles and chapters in all but one of the years spanning the period 1979–1986 (for a total of 23 published works in 8 years), Kahneman published exactly one chapter during the years 1987–1989. After this hiatus, articles on utility and the psychology of utility began to appear (e.g., Kahneman & Snell, 1990; Kahneman & Thaler, 1991; Kahneman & Varey, 1991).

In 1992 Varey and Kahneman introduced the method of evaluating moments and episodes as a way to capture "experiences extended across time". While Kahneman continued to study decision-making (e.g., Kahneman, 1992, 1994; Kahneman & Lovallo, 1993), hedonic psychology was the focus of an increasing number of publications (e.g., Fredrickson & Kahneman, 1993; Kahneman, Fredrickson, Schreiber & Redelemeier, 1993; Kahneman, Wakker & Sarin, 1997; Redelmeier & Kahneman, 1996), culminating in a volume co-edited with Ed Diener and Norbert Schwarz, scholars of affect and well-being.[19]

Focusing illusion

With David Schkade, Kahneman developed the notion of the focusing illusion (Kahneman & Schkade, 1998; Kahneman, Krueger, Schkade, Schwarz & Stone, 2006) to explain in part the mistakes people make when estimating the effects of different scenarios on their future happiness (also known as affective forecasting, which has been studied extensively by Daniel Gilbert). The "illusion" occurs when people consider the impact of one specific factor on their overall happiness, they tend to greatly exaggerate the importance of that factor, while overlooking the numerous other factors that would in most cases have a greater impact.

A good example is provided by Kahneman and Schkade's 1998 paper "Does living in California make people happy? A focusing illusion in judgments of life satisfaction".[20] In that paper, students in the Midwest and in California reported similar levels of life satisfaction, but the Midwesterners thought their Californian peers would be happier. The only distinguishing information the Midwestern students had when making these judgments was the fact that their hypothetical peers lived in California. Thus, they "focused" on this distinction, thereby overestimating the effect of the weather in California on its residents' satisfaction with life.

Peak–end rule and remembered pleasure

One of the cognitive biases in hedonic psychology discovered by Kahneman is called the peak–end rule. It affects how people remember the pleasantness or unpleasantness of experiences. It states that a persons overall impression of past events is determined, for the most part, not by the total pleasure and suffering it contained, but by how it felt at its peaks and at its end.[21] For example, the memory of a painful colonoscopy is improved if the examination is extended by three minutes in which the scope is still inside but not moved anymore, resulting in a moderately uncomfortable sensation. This extended colonoscopy, despite involving more pain overall, is remembered less negatively due to the reduced pain at the end. This even increases the likelihood for the patient to return for subsequent procedures.[22] Kahneman explains this distortion in terms of the difference between two selves: the experiencing self, which is aware of pleasure and pain as they are happening, and the remembering self, which shows the aggregate pleasure and pain over an extended period of time. The distortions due to the peak–end rule happen on the level of the remembering self. [23][24][25][26]

Happiness and life satisfaction

Kahneman has defined happiness in terms of "what I experience here and now",[27] but says that in reality humans pursue life satisfaction,[28] which "is connected to a large degree to social yardsticks–achieving goals, meeting expectations."[29][30][31]

Teaching

Kahneman taught at the Hebrew University in Jerusalem from 1970-1978. He then became a professor at the University of British Columbia, ending in 1986. Next, he taught at the University of California, Berkeley, from 1986-1994.[32] Now, Kahneman is a senior scholar and faculty member emeritus at Princeton University's Department of Psychology and Princeton School of Public and International Affairs. He is also a fellow at Hebrew University and a Gallup Senior Scientist.[33]

Personal life

Kahneman's first wife was Irah Kahneman,[34] an Israeli educational psychologist, with whom he had two children. His son has schizophrenia, and his daughter, Lenore Shoham, works in technology.[35][36]

His second wife was the cognitive psychologist Anne Treisman, from 1978 until her death in 2018. As of 2014, they lived part-time in Berkeley, California.[37][38] As of 2020, he lives in New York City with Barbara Tversky, the widow of his long-time collaborator Amos Tversky.[39][7]

Kahneman's paternal uncle was Rabbi Yosef Shlomo Kahaneman, the head of the Ponevezh Yeshiva.[7]

In 2015 Kahneman described himself as a very hard worker, as "a worrier" and "not a jolly person". But, despite this, he said, "I'm quite capable of great enjoyment, and I've had a great life."[40]

Awards and recognition

Honorary Degrees

Notable contributions

Books

  • Kahneman, Daniel (1973). Attention and Effort. Prentice-Hall.
  • Kahneman, Daniel; Slovic, Paul; Tversky, Amos (1982). Judgment Under Uncertainty: Heuristics and Biases. Cambridge University Press.
  • Kahneman, Daniel; Diener, E.; Schwarz, N. (1999). Well-Being: The Foundations of Hedonic Psychology. Russell Sage Foundation.
  • Kahneman, Daniel; Tversky, Amos (2000). Choices, Values and Frames. Cambridge University Press.
  • Kahneman, Daniel; Gilovich, Thomas; Griffin, Dale (2002). Heuristics and Biases: The Psychology of Intuitive Judgment. Cambridge University Press. ISBN 978-0521792608.
  • Kahneman, Daniel (2011). Thinking, Fast and Slow. Farrar, Straus and Giroux. ISBN 978-0374275631. (Reviewed by Freeman Dyson in New York Review of Books, 22 December 2011, pp. 40–44.)
  • Kahneman, Daniel; Sibony, Olivier; Sunstein, Cass R. (2021). Noise: A Flaw in Human Judgment. William Collins. ISBN 978-0008308995.

Interviews

  • "Can We Trust Our Intuitions?" in Alex Voorhoeve Conversations on Ethics. Oxford University Press, 2009. ISBN 978-0-19-921537-9 (Discusses Kahneman's views about the reliability of moral intuitions [case judgments] and the relevance of his work for the search for "reflective equilibrium" in moral philosophy.)

Radio interviews

Online interviews

Television interviews

See also

References

  1. ^ "The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002". NobelPrize.org.
  2. ^ "The FP Top 100 Global Thinkers. 71 Daniel Kahneman". foreignpolicy.com. November 28, 2011. Retrieved November 3, 2012.
  3. ^ "The New York Times Best Seller List – December 25, 2011" (PDF). www.hawes.com. Retrieved August 17, 2014.
  4. ^ "Influential economists – That ranking". The Economist. January 2, 2015. Retrieved April 4, 2015.
  5. ^ a b c d e f g h i Kahneman, Daniel (2002). "Daniel Kahneman: Biographical". Nobel Committee. Retrieved May 1, 2017.
  6. ^ Lewis, Michael (2017) [1st pub. in the US by W.W. Norton & Company, Inc, 2016]. The Undoing Project: A Friendship That Changed Our Minds. New York: Penguin Random House. ISBN 978-0-14-198304-2.
  7. ^ a b c d e "Interview with Daniel Kahneman". Interviews with Max Raskin. Retrieved March 1, 2022.
  8. ^ a b c d "The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002". NobelPrize.org. Retrieved November 20, 2023.
  9. ^ Akst, Daniel. "Daniel Kahneman: How Companies Can Improve Their Hiring Process". WSJ. Retrieved March 12, 2024.
  10. ^ Kahneman, Daniel (1973). Attention and effort. Prentice-Hall series in experimental psychology. Englewood Cliffs, N.J: Prentice-Hall. ISBN 978-0-13-050518-7.
  11. ^ Kahneman, Daniel; Miller, Dale T. (April 1986). "Norm theory: Comparing reality to its alternatives". The Psychological Review. 93 (2): 136–153. doi:10.1037/0033-295X.93.2.136. ISSN 1939-1471.
  12. ^ "Daniel Kahneman and Richard Thaler on the Beginning of Behavioral Economics | RSF". www.russellsage.org. Retrieved March 12, 2024.
  13. ^ "In Remembrance". www.benefitcostanalysis.org. Retrieved March 12, 2024.
  14. ^ "The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2002".
  15. ^ Michael Lewis. "The Undoing Project: A Friendship that Changed the World". Penguin, 2016 (ISBN 9780141983035)
  16. ^ Tversky, Amos; Kahneman, Daniel (October 1, 1992). "Advances in prospect theory: Cumulative representation of uncertainty". Journal of Risk and Uncertainty. 5 (4): 297–323. doi:10.1007/BF00122574. ISSN 1573-0476.
  17. ^ Kahneman, Daniel; Lovallo, Dan (1993). "Timid Choices and Bold Forecasts: A Cognitive Perspective on Risk Taking". Management Science. 39 (1): 17–31. ISSN 0025-1909.
  18. ^ Kahneman, Diener & Schwarz 1999, p. ix.
  19. ^ Kahneman, Diener & Schwarz 1999.
  20. ^ Schkade, David A.; Kahneman, Daniel (May 6, 2016). "Does Living in California Make People Happy? A Focusing Illusion in Judgments of Life Satisfaction" (PDF). Psychological Science. 9 (5): 340–346. doi:10.1111/1467-9280.00066. ISSN 1467-9280. S2CID 14091201.
  21. ^ Do, Amy M.; Rupert, Alexander V.; Wolford, George (February 1, 2008). "Evaluations of pleasurable experiences: The peak–end rule". Psychonomic Bulletin & Review. 15 (1): 96–98. doi:10.3758/PBR.15.1.96. ISSN 1531-5320. PMID 18605486.
  22. ^ Redelmeier, Donald A.; Katz, Joel; Kahneman, Daniel (July 2003). "Memories of colonoscopy: a randomized trial". Pain. 104 (1–2): 187–194. doi:10.1016/s0304-3959(03)00003-4. hdl:10315/7959. ISSN 0304-3959. PMID 12855328. S2CID 206055276.
  23. ^ Kahneman, Daniel (2011). "35. Two Selves". Thinking, Fast and Slow. New York: Farrar, Straus & Giroux.
  24. ^ Lazari-Radek, Katarzyna de; Singer, Peter (2014). The Point of View of the Universe: Sidgwick and Contemporary Ethics. Oxford University Press. p. 276.
  25. ^ Chernoff, Naina N. (May 6, 2002). "Memory Vs. Experience: Happiness is Relative". Aps Observer. 15 (5).
  26. ^ Lex Fridman Podcast #65 – Daniel Kahneman: Thinking Fast and Slow, Deep Learning, and AI (2020) [1]
  27. ^ "Why Nobel Prize Winner Daniel Kahneman Gave Up on Happiness". Haaretz. Retrieved January 20, 2023.
  28. ^ Daniel Kahneman on wellbeing and how to measure it | University of Oxford 2022, retrieved November 16, 2022
  29. ^ Mandel, Amir (October 7, 2018). "Why Nobel Prize Winner Daniel Kahneman Gave Up on Happiness". Haaretz.
  30. ^ Livni, Ephrat (December 21, 2018). "A Nobel Prize-winning psychologist says most people don't really want to be happy". Quartz.
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  34. ^ "Daniel Kahneman Facts". In January of 1958, my wife, Irah, and I landed at the San Francisco airport, where the now famous sociologist Amitai Etzioni was waiting to take us to Berkeley, to the Flamingo Motel on University Avenue, and to the beginning of our graduate careers.
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  37. ^ "How do we really make decisions?". Horizon. Series 2013-2014. Episode 9. February 24, 2014. Event occurs at 00:20:13. BBC. BBC Two. Retrieved February 19, 2019. I live in Berkeley during summers and I walk a lot.
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  51. ^ INFORMS. "Frank P. Ramsey Medal". INFORMS. Retrieved March 11, 2024.
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  67. ^ "2019 Summit Highlights Photo: Anthony D. Romero, Executive Director of the American Civil Liberties Union, presenting the Golden Plate Award to Dr. Daniel Kahneman, a recipient of the Nobel Prize in Economics, at the 2019 International Achievement Summit". American Academy of Achievement.
  68. ^ "The Helen Dinerman Prize". World Association for Public Opinion Research. Retrieved March 12, 2024.
  69. ^ "Daniel Kahneman | When Noise Destroys Our Best of Choices". Jordan Harbinger. June 8, 2021. Retrieved June 15, 2021.

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Further reading

External links

Awards
Preceded by Laureate of the Nobel Memorial Prize in Economics
2002
Served alongside: Vernon L. Smith 		Succeeded by
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