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“Directional AI Advice: Experimental Evidence from Healthcare”\uff08arXiv:2607.08706\uff09\u3002<\/p><\/blockquote>\n
Who Interprets the World?<\/strong><\/p>\nDirectional AI Advice, Credence Markets, and the Reallocation of Authority<\/p>\n
Generative AI is rapidly becoming the first place people turn for expert advice, transforming markets long organized around credence goods\u2014medicine, law, finance\u2014where clients can verify neither the diagnosis nor the counterfactual. This essay introduces directional AI advice as a distinct object of empirical and institutional analysis: advice that systematically shifts users toward some actions and away from others because governance choices\u2014training corpora, safety guardrails, liability structures, platform objectives\u2014are embedded in the AI system itself. Directionality is a property of institutional design, not of any prompt. The essay\u2019s larger claim is that AI\u2019s importance should not be measured by growth alone: a technology need not enlarge the economy in order to reorganize who earns, who judges, and who answers for consequences.<\/p>\n
Drawing on a large-scale preregistered field experiment at a Chinese hospital, the essay shows that AI advice is directional\u2014shaped by liability-driven guardrails\u2014and that this directionality propagates into clinical practice: prescriptions fall, diagnostic testing rises, adherence and satisfaction decline, and the balance of authority between patients and physicians measurably shifts. In price-theoretic terms, AI collapses the price of first opinions while judgment, verification, and accountability appreciate; the framework predicts a migration of credence rents from license holders toward the owners of interpretation infrastructure. The resulting structure moves along four directions at once: the use of interpretation diffuses to end users; its production concentrates upstream in model infrastructure; adjudication stays at institutional nodes; and accountability remains at the final human signature. AI thus separates, at scale and for the first time, the production of interpretation from the authority to decide and the obligation to answer for consequences.<\/p>\n
Directional AI advice therefore opens a research program analogous in research logic to directed technical change: the object of study is how direction is formed\u2014by liability, commerce, professional norms, or politics\u2014and how it shapes a dynamic equilibrium in which users learn, discount, and sort across models, professionals adapt to pre-interpreted clients, and platforms and regulators respond, across medicine, law, finance, education, and public administration. The constitutional question of the coming era is who may shape, at scale, how others define their problems, without answering for the actions that follow. When advice can be mass-produced, those who set its direction participate in allocating social authority.<\/p>","protected":false},"excerpt":{"rendered":"
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