Field experiment

4 sources filed·EN 4

Week 44 · 26 Oct-1 Nov

1 source filed · EN 1

A
Task Expansion with Generative AI: Experimental Evidence on Middle-Skilled, Early-Career Workers (CESifo WP 13045)
AI raised the share of points achieved by 44 percentage points on the within-curriculum task and by 26 and 31 points on the two beyond-curriculum tasks.
673final-year IT apprentices at twelve German vocational schools, individually randomised
CESifo (ifo Institute)·Paper·26 Oct 2026·d.repec.org

2 sources filed · EN 2

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Breaking News Out of the Filter Bubble: Generative AI Search Diversifies Collective Attention and Raises Shared Information Consumption
RCT with 37,561 WaPo readers: AI answers above results widen topic reach and overlap, shift clicks to cited articles and follow-up searches, small rise in articles per reader; counters filter-bubble claim.
arXiv (Washington Post field experiment)·Paper·30 Sept 2026·arxiv.org
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AI-based matching improves refugee employment in a double-blind randomized trial
About 2,000 cases 2020-2023, officers keep final authority: share of months employed +2.2 pp (10% of 22.3% mean), +3.9 pp (17%) post-COVID cohorts; effects grow over 36 months.
arXiv (ETH/Stanford IPL, Swiss SEM)·Paper·28 Sept 2026·arxiv.org

1 source filed · EN 1

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Does AI Assistance Enhance or Erode Expertise? Evidence from a Three-Month Field Experiment in Patent Drafting (w35720)
Pre-registered RCT, 133 patent lawyers at 11 firms: AI raises delivered quality +0.34 SD (10 d) / +0.38 SD (90 d); unaided redline after 3 months +0.32 SD, all among seniors (+0.45 SD), juniors bifurcate.
NBER·Paper·3 Sept 2026·nber.org