Firm AI-Spend Intensity and Headcount Growth

Ramp × Revelio panel of 21,559 US firms: high-intensity AI-vendor spenders grow headcount ~10% (entry-level ~12%) over the 24 months after adoption while low-intensity adopters show no change — an intensity-gated learning-curve effect, read against Indeed's senior-tilted postings rebound and the Ramp AI Index adoption-breadth cut.