AIImpactLab
9 impact clustersWork & marketsCognition & learningTechnical failuresPrivacySecurityEnvironmentLaw & informationSocial good & healthSystemic risk
Search the evidence

Find the signal.

Search titles, impact clusters, countries, organizations and the full text of every analysis.

4 stories found

Economic research notes and abstract data streams sit before a dawn city construction view.
Work & marketsJapan / Global+2 clusters01

The Bank of Japan sees AI's spending shock before its productivity payoff

A central banker gave a more useful account of AI's economic effects today than either 'boom' or 'bubble.' In remarks at a research meeting, the Bank of Japan's deputy governor described AI investment as a positive demand shock already pushing activity and prices upward. He also described a possible later supply-side gain from productivity, an asset-price lift that can ease financial conditions, AI-company bond issuance that can tighten long-term rates, and potential restructuring of cognitive work. These forces point in different directions and arrive on different schedules. The speech says the size and timing are not yet clear. It tentatively sees demand arriving first and warns of a correction if profits do not follow. None of this is a Bank of Japan interest-rate decision or a forecast of a recession. The bank also sees AI and big data helping researchers handle larger and more varied datasets, while warning that alternative data may be less useful in some economic conditions. That distinction matters because better dashboards do not eliminate the uncertainty in what the economy is doing. The most important human question is who can adapt if the productivity gains eventually arrive unevenly. Workers whose cognitive skills lose value and firms supplying the buildout will not share one average experience. Watch wage, employment, price and investment evidence together, not merely model benchmarks or stock prices.

5 min
An ordinary chest CT reveals a small illuminated esophageal lesion while an AI triage path directs the patient toward confirmatory endoscopy.
Social good & healthChina and international validation sites+4 clusters02

AI found hidden esophageal cancers in CT scans patients already had

A multicenter Nature Medicine study reports that an AI system called EAGLE can identify esophageal cancer and precancerous lesions in noncontrast chest CT scans that were not acquired specifically for the esophagus. The model was trained on 6,813 patients and validated across 12 centers in three countries involving 80,612 patients. In external cohorts totaling 11,466 people, it reached 90.0 percent sensitivity for cancer and 98.5 percent specificity, while sensitivity for precancerous lesions was lower at 52.5 percent. A calibration cohort of 35,402 patients reduced false positives by 72.7 percent while preserving sensitivity. In a prospective hospital cohort of 17,446 patients, 38 of 90 positive predictions were true positives, producing a 42.2 percent positive predictive value and 87.8 percent sensitivity for cancer. A real-world low-dose screening cohort of 10,959 people reported 99.94 percent specificity. The opportunity is unusually practical: use scans already being performed to identify people who should receive confirmatory endoscopy. But the strongest efficiency claims remain modeled. Simulations suggested triage could triple detection, reduce diagnostic time by 70.4 percent, and lower costs in seven of eight countries. Those are not randomized outcomes or evidence of reduced mortality. Most data came from China, follow-up was under two years, endoscopy adherence was limited, and broader validation is needed for different disease patterns. EAGLE may make existing imaging more valuable. It has not yet proved that population deployment improves survival or avoids harmful overdiagnosis.

10 min
A classroom cutaway contrasts widespread chatbot access with a student and teacher checking an AI answer against evidence.
Cognition & learningOECD member and partner economies+2 clusters03

PISA finds AI access alone does not create a learning advantage

AI use in education is no longer a pilot program waiting for permission. PISA 2025 surveyed and tested more than 760,000 fifteen-year-olds across 91 countries and economies, and its OECD average shows 45.5% of students use AI at least weekly to help them learn. Yet the report does not find a simple more-use, more-learning relationship. After accounting for socio-economic background, weekly users performed similarly in science to non-users, while students reporting very frequent or occasional use tended to score lower. For summarising and preliminary research, moderate users outperformed both limited and frequent users, but non-users often still outperformed users overall. These are associations, not proof that AI caused the score differences. The sharper policy signal is about instruction. Roughly six in ten students said school lessons had asked them to assess AI-generated information, and students who combined frequent learning use with such opportunities showed a more promising pattern. Disadvantaged students were less likely to receive that practice. That turns the AI divide from a device question into a teaching question. Schools that merely provide chatbots may scale shortcut behavior, distraction, or shallow confidence. Schools that redesign assessment, teach source checking, and make students defend their reasoning may turn the same technology into a learning instrument. The next advantage will not belong to the students with the fastest answer. It will belong to those taught how to challenge it.

5 min
A paper-collage classroom balances an AI tutor and automated grading stamps against a protected teacher-student conversation.
Cognition & learningUnited States+5 clusters04

AI enters classrooms as educators fight to preserve human connection

WCAX reports that schools are testing AI-driven tutoring and automated grading to personalize learning while navigating academic integrity and the possible loss of human connection. The tradeoff cannot be reduced to adoption versus prohibition. A tutor that gives immediate feedback may expand access, and an assistant that handles routine grading may return time to teachers. The same system can make confident mistakes, expose student data, reward answer production over understanding, or shift professional judgment from an educator to a vendor. Schools need evidence about learning outcomes, not only engagement or time saved. They also need clear rules for disclosure, privacy, age-appropriate use, independent assessment, and the teacher's right to override the tool. The safest classroom is not the one with the least technology. It is the one where AI strengthens human teaching without replacing the struggle, trust, and relationship through which students actually learn.

5 min