Daniel Kahneman

Daniel Kahneman
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Name	Daniel Kahneman
Caption	Kahneman in 2014
Birth date	5 March 1934
Birth place	Tel Aviv, Mandatory Palestine
Nationality	Israeli, American
Fields	Psychology, Economics
Workplaces	Princeton University, University of California, Berkeley, Hebrew University of Jerusalem
Alma mater	Hebrew University of Jerusalem (BA), University of California, Berkeley (PhD)
Known for	Prospect theory, Behavioral economics, Judgment and decision making, Cognitive biases
Awards	Nobel Memorial Prize in Economic Sciences (2002), Presidential Medal of Freedom (2013)

Daniel Kahneman is an Israeli-American psychologist and economist renowned for his foundational contributions to the science of judgment, decision-making, and behavioral economics. His collaborative work with Amos Tversky challenged the rational-agent models of classical economics, demonstrating systematic cognitive biases in human reasoning. Awarded the Nobel Memorial Prize in Economic Sciences in 2002, his research has profoundly influenced diverse fields including psychology, economics, medicine, and public policy.

Early life and education

Born in Tel Aviv while his mother was visiting family, he spent his early childhood in Paris, France. His family were Lithuanian Jews who had emigrated to France in the early 1920s. During the German occupation of France, the family lived under the Vichy regime, and his father was taken during a major roundup but later released, an experience that deeply influenced his later interest in the psychology of judgment. After the war, the family immigrated to Mandatory Palestine in 1948. He completed his secondary education at the Hebrew Reali School in Haifa. He earned a Bachelor of Arts in psychology and mathematics from the Hebrew University of Jerusalem in 1954. Following service as a psychologist in the Israel Defense Forces, he pursued his doctorate in psychology at the University of California, Berkeley, completing his PhD in 1961.

Academic career and research

Kahneman began his academic career as a lecturer at the Hebrew University of Jerusalem in 1961. He later held positions at the University of British Columbia and the University of California, Berkeley. In 1993, he moved to Princeton University, where he held the Eugene Higgins Professorship of Psychology and was a professor of public affairs at the Woodrow Wilson School of Public and International Affairs. His early research focused on visual perception and attention, but he shifted to the study of judgment and decision-making. A pivotal partnership began in the late 1960s with fellow psychologist Amos Tversky at the Hebrew University of Jerusalem. Their collaboration produced a series of seminal papers that systematically documented heuristics and biases, such as the representativeness heuristic, availability heuristic, and anchoring effect, which deviate from strict rationality.

Prospect theory and behavioral economics

In 1979, Kahneman and Tversky published their landmark paper proposing prospect theory, a behavioral model that accurately describes how people make decisions involving risk and uncertainty. The theory introduced key concepts like loss aversion, the certainty effect, and the isolation effect, demonstrating that people value gains and losses relative to a reference point rather than in absolute terms. This work directly challenged the dominant expected utility theory in economics and laid the cornerstone for the field of behavioral economics. His ideas were further developed and popularized in economics by collaborators like Richard Thaler, influencing the creation of nudge theory and impacting institutions like the World Bank and the United Kingdom's Behavioural Insights Team.

Thinking, Fast and Slow and public impact

In 2011, Kahneman synthesized decades of research into the bestselling book Thinking, Fast and Slow. The book presents the model of two systems that drive thought: System 1 (fast, intuitive, and emotional) and System 2 (slower, more deliberative, and logical). It catalogs a wide array of cognitive biases, such as the planning fallacy, overconfidence, and the endowment effect, that stem from the interplay of these systems. The book's accessible explanation of his research brought his ideas to a massive global audience, influencing professionals in finance, law, medicine, and government. His concepts have been applied in areas ranging from clinical diagnosis and judicial sentencing to corporate strategy and sports analytics.

Awards and honors

Kahneman's work has been recognized with numerous prestigious awards. In 2002, he was awarded the Nobel Memorial Prize in Economic Sciences for having integrated insights from psychological research into economic science, particularly concerning human judgment and decision-making under uncertainty. He is a member of the National Academy of Sciences, the American Philosophical Society, and a fellow of the American Academy of Arts and Sciences. In 2013, President Barack Obama awarded him the Presidential Medal of Freedom, the highest civilian award in the United States. He has also received the Grawemeyer Award in Psychology and the Talcott Parsons Prize from the American Academy of Arts and Sciences.

Category:Israeli psychologists Category:American economists Category:Nobel laureates in Economics Category:1934 births Category:Living people