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11 Oct 2025, 20:49
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Traditional economic theory has long rested on the assumption of rational decision-making: that individuals, given complete information and consistent preferences, choose options that maximize their utility. Yet research in behavioral economics, notably advanced by psychologists Daniel Kahneman and Amos Tversky, revealed that individuals systematically deviate from rationality through cognitive biases such as overconfidence, loss aversion, and framing effects. The latter refers to the tendency for different presentations of the same information, such as describing a medical treatment in terms of survival rates rather than mortality rates to produce markedly different choices. These insights challenged the descriptive validity of the “rational actor” model that underpinned much of neoclassical economics.
Building on this work, economist Richard Thaler and legal scholar Cass Sunstein introduced the concept of a nudge- a subtle alteration in the context in which choices are presented, designed to steer individuals toward better decisions without restricting their freedom of choice. Examples include setting healthier food as the default option in cafeterias or automatically enrolling employees in retirement savings plans unless they opt out. Such interventions, sometimes called libertarian paternalism, aim to improve welfare while preserving autonomy.
Critics, however, argue that nudges risk paternalistic overreach and may underestimate individuals’ capacity for self-correction. Others question their long-term effectiveness, suggesting that behavioral interventions may lose potency once individuals recognize the underlying manipulation. Nonetheless, the “nudge” approach has profoundly influenced public policy, signaling a shift from viewing humans as perfectly rational agents to understanding them as predictably imperfect decision-makers operating within structured environments.
In the first paragraph, the author’s reference to individuals having “complete information and consistent preferences” serves primarily to
A. emphasize the impracticality of rational-choice assumptions in real-world contexts.
B. describe the foundational assumptions of traditional economic theory that later research questioned.
C. illustrate how behavioral economists redefine utility to account for emotional influences.
D. highlight how “complete information” and “consistent preferences” vanish once framing effects and loss aversion come into play.
E. suggest that neoclassical economists misunderstood how preferences are formed and maintained.
Building on this work, economist Richard Thaler and legal scholar Cass Sunstein introduced the concept of a nudge- a subtle alteration in the context in which choices are presented, designed to steer individuals toward better decisions without restricting their freedom of choice. Examples include setting healthier food as the default option in cafeterias or automatically enrolling employees in retirement savings plans unless they opt out. Such interventions, sometimes called libertarian paternalism, aim to improve welfare while preserving autonomy.
Critics, however, argue that nudges risk paternalistic overreach and may underestimate individuals’ capacity for self-correction. Others question their long-term effectiveness, suggesting that behavioral interventions may lose potency once individuals recognize the underlying manipulation. Nonetheless, the “nudge” approach has profoundly influenced public policy, signaling a shift from viewing humans as perfectly rational agents to understanding them as predictably imperfect decision-makers operating within structured environments.
In the first paragraph, the author’s reference to individuals having “complete information and consistent preferences” serves primarily to
A. emphasize the impracticality of rational-choice assumptions in real-world contexts.
B. describe the foundational assumptions of traditional economic theory that later research questioned.
C. illustrate how behavioral economists redefine utility to account for emotional influences.
D. highlight how “complete information” and “consistent preferences” vanish once framing effects and loss aversion come into play.
E. suggest that neoclassical economists misunderstood how preferences are formed and maintained.
11 Oct 2025, 20:49
Kudos
Bookmarks
Official Solution:
Traditional economic theory has long rested on the assumption of rational decision-making: that individuals, given complete information and consistent preferences, choose options that maximize their utility. Yet research in behavioral economics, notably advanced by psychologists Daniel Kahneman and Amos Tversky, revealed that individuals systematically deviate from rationality through cognitive biases such as overconfidence, loss aversion, and framing effects. The latter refers to the tendency for different presentations of the same information, such as describing a medical treatment in terms of survival rates rather than mortality rates to produce markedly different choices. These insights challenged the descriptive validity of the “rational actor” model that underpinned much of neoclassical economics.
Building on this work, economist Richard Thaler and legal scholar Cass Sunstein introduced the concept of a nudge- a subtle alteration in the context in which choices are presented, designed to steer individuals toward better decisions without restricting their freedom of choice. Examples include setting healthier food as the default option in cafeterias or automatically enrolling employees in retirement savings plans unless they opt out. Such interventions, sometimes called libertarian paternalism, aim to improve welfare while preserving autonomy.
Critics, however, argue that nudges risk paternalistic overreach and may underestimate individuals’ capacity for self-correction. Others question their long-term effectiveness, suggesting that behavioral interventions may lose potency once individuals recognize the underlying manipulation. Nonetheless, the “nudge” approach has profoundly influenced public policy, signaling a shift from viewing humans as perfectly rational agents to understanding them as predictably imperfect decision-makers operating within structured environments.
In the first paragraph, the author’s reference to individuals having “complete information and consistent preferences” serves primarily to
A. emphasize the impracticality of rational-choice assumptions in real-world contexts.
B. describe the foundational assumptions of traditional economic theory that later research questioned.
C. illustrate how behavioral economists redefine utility to account for emotional influences.
D. highlight how “complete information” and “consistent preferences” vanish once framing effects and loss aversion come into play.
E. suggest that neoclassical economists misunderstood how preferences are formed and maintained.
A) Incorrect. While the paragraph does imply that the rational-choice assumptions are unrealistic, the immediate purpose of the quoted phrase is definitional, identifying what the traditional model assumes, rather than emphasizing impracticality.
B) Correct Answer. The first paragraph states that “traditional economic theory has long rested on the assumption of rational decision-making: that individuals, given complete information and consistent preferences, choose options that maximize their utility.” The author immediately contrasts this assumption with evidence from Kahneman and Tversky showing systematic deviations. Thus the phrase pinpoints the two conditions, complete information and stable preferences, that form the bedrock of the old rational-choice model, setting up the later challenge from behavioral research.
C) Incorrect. The sentence comes before any discussion of how behavioral economists redefine utility. It describes traditional premises, not the newer behavioral revisions.
D) Incorrect. Framing effects and loss aversion are introduced after the phrase. The line itself does not “highlight” how those biases undermine the assumptions; it simply lays out the assumptions that will later be questioned.
E) Incorrect. The author does not claim neoclassical economists misunderstood preference formation, only that they assumed preferences were consistent. The passage critiques the completeness of the assumption, not the economists’ understanding of its origin.
Answer: B
Traditional economic theory has long rested on the assumption of rational decision-making: that individuals, given complete information and consistent preferences, choose options that maximize their utility. Yet research in behavioral economics, notably advanced by psychologists Daniel Kahneman and Amos Tversky, revealed that individuals systematically deviate from rationality through cognitive biases such as overconfidence, loss aversion, and framing effects. The latter refers to the tendency for different presentations of the same information, such as describing a medical treatment in terms of survival rates rather than mortality rates to produce markedly different choices. These insights challenged the descriptive validity of the “rational actor” model that underpinned much of neoclassical economics.
Building on this work, economist Richard Thaler and legal scholar Cass Sunstein introduced the concept of a nudge- a subtle alteration in the context in which choices are presented, designed to steer individuals toward better decisions without restricting their freedom of choice. Examples include setting healthier food as the default option in cafeterias or automatically enrolling employees in retirement savings plans unless they opt out. Such interventions, sometimes called libertarian paternalism, aim to improve welfare while preserving autonomy.
Critics, however, argue that nudges risk paternalistic overreach and may underestimate individuals’ capacity for self-correction. Others question their long-term effectiveness, suggesting that behavioral interventions may lose potency once individuals recognize the underlying manipulation. Nonetheless, the “nudge” approach has profoundly influenced public policy, signaling a shift from viewing humans as perfectly rational agents to understanding them as predictably imperfect decision-makers operating within structured environments.
In the first paragraph, the author’s reference to individuals having “complete information and consistent preferences” serves primarily to
A. emphasize the impracticality of rational-choice assumptions in real-world contexts.
B. describe the foundational assumptions of traditional economic theory that later research questioned.
C. illustrate how behavioral economists redefine utility to account for emotional influences.
D. highlight how “complete information” and “consistent preferences” vanish once framing effects and loss aversion come into play.
E. suggest that neoclassical economists misunderstood how preferences are formed and maintained.
A) Incorrect. While the paragraph does imply that the rational-choice assumptions are unrealistic, the immediate purpose of the quoted phrase is definitional, identifying what the traditional model assumes, rather than emphasizing impracticality.
B) Correct Answer. The first paragraph states that “traditional economic theory has long rested on the assumption of rational decision-making: that individuals, given complete information and consistent preferences, choose options that maximize their utility.” The author immediately contrasts this assumption with evidence from Kahneman and Tversky showing systematic deviations. Thus the phrase pinpoints the two conditions, complete information and stable preferences, that form the bedrock of the old rational-choice model, setting up the later challenge from behavioral research.
C) Incorrect. The sentence comes before any discussion of how behavioral economists redefine utility. It describes traditional premises, not the newer behavioral revisions.
D) Incorrect. Framing effects and loss aversion are introduced after the phrase. The line itself does not “highlight” how those biases undermine the assumptions; it simply lays out the assumptions that will later be questioned.
E) Incorrect. The author does not claim neoclassical economists misunderstood preference formation, only that they assumed preferences were consistent. The passage critiques the completeness of the assumption, not the economists’ understanding of its origin.
Answer: B
