Read the following passage and answer the question.
The concept of 'nudge theory,' popularized by behavioral economists Richard Thaler and Cass Sunstein, holds that subtle design choices in the environment—called 'choice architecture'—can predictably influence human behavior without restricting freedom. Classic nudges include placing healthier foods at eye level in cafeterias or making organ donation an opt-out rather than opt-in default. Proponents argue nudges are cost-effective and preserve autonomy. Critics, however, contend that nudges manipulate subconscious decision-making in ways that bypass rational deliberation, raising ethical concerns about paternalism and consent.
The primary purpose of this passage is to:
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A
Persuade the reader that nudge theory should be adopted in public policy
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B
Define nudge theory and present both its advocates' and critics' positions
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C
Argue that behavioral economics undermines individual autonomy
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D
Demonstrate that opt-out systems always produce better policy outcomes than opt-in systems