Eldar Shafir

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American psychologist

title: "Eldar Shafir" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["living-people", "american-cognitive-psychologists", "experimental-economists", "behavioral-finance", "american-behavioral-economists", "princeton-university-faculty", "brown-university-alumni", "massachusetts-institute-of-technology-school-of-science-alumni", "harvard-university-faculty", "place-of-birth-missing-(living-people)", "1959-births"] description: "American psychologist" topic_path: "economics" source: "https://en.wikipedia.org/wiki/Eldar_Shafir" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary American psychologist ::

::data[format=table title="Infobox scientist"]

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nameEldar Shafir
native_nameאלדר שפיר
native_name_langhe
imageEldar Shafir.jpg
image_size150
birth_date1959
death_date
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nationalityIsraeli-American
fieldsBehavioural science
workplacesPrinceton University Department of Psychology
educationBrown University
alma_materMassachusetts Institute of Technology
thesis_title
thesis_url
thesis_year
doctoral_advisorDaniel Osherson
known_forScarcity: Why Having Too Little Means So Much
awardsGuggenheim Fellowship
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partner
signature
website
::

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Eldar Shafir (Hebrew: אלדר שפיר eldár shafír, born 1959) is an American behavioral scientist, and the co-author of Scarcity: Why Having Too Little Means So Much (with Sendhil Mullainathan). He is the Class of 1987 Professor in Behavioral Science and Public Policy; Professor of Psychology and Public Affairs at Princeton University Department of Psychology and the Princeton School of Public and International Affairs, and Inaugural Director of Princeton’s Kahneman-Treisman Center for Behavioral Science and Public Policy.

Shafir is a Faculty Associate at the Institute for Quantitative Social Science at Harvard University. He is co-founder, Board Member, and scientific director at Ideas42, a non-profit organization that uses behavioral science to help solve tough social problems. His main area of study is behavioral economics, that is, how the decisions people make affect their financial outcomes. His research has led him to the general conclusion that people often make inadvisable decisions on financial matters when they think they are being rational.

Education and career

Shafir graduated from Brown University and received his Ph.D. in Cognitive Science in 1988 from the Massachusetts Institute of Technology. He is a Professor of Psychology and Public Affairs at Princeton University Department of Psychology and the Princeton School of Public and International Affairs and a Faculty Associate at the Institute for Quantitative Social Science at Harvard University. He is Past President of the Society for Judgment and Decision Making, member of the Institute for Advanced Study in Toulouse, Senior Fellow of the Canadian Institute for Advanced Research, Research Affiliate of Innovations for Poverty Action, member of the Behavioral Economics Roundtable of the Russell Sage Foundation, and Vice-Chair of the World Economic Forum’s Global Agenda Council on Behaviour. among several other research organizations.

Along with Peter Diamond and Amos Tversky, Shafir is a proponent of the Money illusion, compiling empirical evidence for the existence of this effect, both in experiments and in real world situations.

Behavioral economics

Eldar Shafir's general area of research interest is decision making, especially behavioral economics: the study of how people make everyday decisions. Empirically based, his research draws from the fields of psychology and economics to support the view that decision making is often not based on what is assumed by rational agent models. Shafir examines the effects of social, cognitive and emotional factors on economic decisions, such as the behavior of people who are in conflict and feel uncertainty when faced with making a decision. For instance, in a study with Amos Tversky involving Princeton students, it was found that people tend to find ways not to decide when faced with complicated and consequential decision. The same outcome was found in the case of physicians in the United States and Canada, who make decisions that may not always be in the best interest of patients when they involve several options. These are against the assumption that once a person faces a set of options and is equipped with some method of evaluation, he would choose the best alternative.

Shafir is a proponent of the existence of the money illusion effect, the hypothesis that people tend to think of currency in nominal, rather than real, terms; People do not make rational financial decisions if they typically mistake the face value of money (its nominal value) for its purchasing power (real value), and this has implications for economic theory and public policy. In a series of empirical studies, Shafir, together with researchers Peter Diamond and Tversky have provided evidence from experimental and real world situations that a number of factors such as cognitive biases affect decision making.

Decision making and poverty

Shafir's current interest is the effect of poverty on decision making, the psychology of "not having enough".

There are two general schools of thought regarding poverty. One says the poor act rationally but have deviant values leading to a "culture of the poor". The second holds that because of faulty attitudes and psychological problems, the poor make poor choices. Shafir and his colleagues proposed a third view: that there is no difference in methods of calculating outcomes between the poor and other people. The poor make the same errors in decision making as everyone else, but because the margin of error is much smaller for the poor, their bad decisions lead to worse consequences. Specifically, it was shown that poverty is like other types of scarcity such as time and dieting, which adversely affect people's cognitive performance and control.

However, recent studies have shown that the psychology of the poor is similar to that of people who are stressed for other reasons such as from working too hard, those who are lonely and without connections or those who lack calories because they are on a diet, according to Shafir. "The idea is that there is a psychology that comes from not having enough, and it makes you focus heavily on what you don’t have," he said. "This makes you neglect things that are outside the domain of your focus, and people tend to over-borrow and misplan."

In addition to investigating how poverty shapes the lives of people because of its effects on the poor's decision making, Shafir has also examined how others' biased beliefs about poverty can be harmful for the poor. Indeed, a series of 18 studies co-authored by Shafir showed that people display a "thick skin bias," whereby they erroneously believe that the poor have been "toughened" by poverty, such that they are less harmed by negative events. Although this bias is false, a wide range of people show it, including professionals in customer service, education, and mental healthcare contexts, and it has potentially important implications for interpersonal relationships and for policy.

Awards and memberships

In 2012, Shafir was awarded a Guggenheim Fellowship; he said he would use the money to continue his research on psychology of scarcity. Previously, Shafir received the Hillel Einhorn New Investigator Award from the Society for Judgment and Decision Making, and the Chase Memorial Award. He was named one of Foreign Policy Magazine’s 100 Leading Global Thinkers of 2013. He is an elected member of the American Academy of Arts and Sciences.

References

References

  1. "''Scarcity: Why Having Too Little Means So Much''". sc.arcity.
  2. (February 2002). "Rationality". Annual Review of Psychology.
  3. "Eldar Shafir". Innovations for Poverty Action.
  4. "Eldar Shafir". Princeton University.
  5. (April 9, 2012 }}{{dead link). "Remarks By Treasury Deputy Secretary Neal Wolin Before The President's Advisory Council On Financial Capability". Cypress Times.
  6. (1997). "On Money Illusion". Quarterly Journal of Economics.
  7. Lambert, Craig. (March–April 2006). "The Marketplace of Perceptions". Harvard Magazine.
  8. Ubel, Peter A.. (2012-09-11). "Critical Decisions: How You and Your Doctor Can Make the Right Medical Choices Together". Harper Collins.
  9. Kaple, Deborah. (September 11, 1996). "Doing, Learning, Remembering". Princeton Alumni Weekly.
  10. (2000). "Choices, values, and frames". Cambridge University Press.
  11. (1997). "On Money Illusion". Quarterly Journal of Economics.
  12. Eldar Shafir, [[Peter A. Diamond. Peter Diamond]], and [[Amos Tversky]], 1997. "Money Illusion," ''Quarterly Journal of Economics'', 112(2), pp. [https://www.jstor.org/pss/2951239 341]-374.
  13. "Decision Making Under Poverty: A Behavioral Research Program". Russell Sage Foundation.
  14. (May 2004). "A behavioral-economics view of poverty". The American Economic Review.
  15. (2018). "Behavioral Law and Economics". Oxford University Press.
  16. (2020-08-14). "The thick skin bias in judgments about people in poverty". Behavioural Public Policy.
  17. Lei, Catherine. (April 18, 2012). "Faculty members receive Guggenheim Fellowship". Daily Princeton.

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living-peopleamerican-cognitive-psychologistsexperimental-economistsbehavioral-financeamerican-behavioral-economistsprinceton-university-facultybrown-university-alumnimassachusetts-institute-of-technology-school-of-science-alumniharvard-university-facultyplace-of-birth-missing-(living-people)1959-births