The weakening link between revenue and hiring
How strongly hiring responds to revenue growth, measured as a rolling eight-year elasticity for seven software companies and one airline. A value of 1.0 means headcount grows one-for-one with revenue. The striking fact is synchrony: all seven software companies are at their historical low at once, and most of the decline arrived after 2022. The same picture holds with seven and nine-year windows.
What does it show?
The elasticity of hiring to revenue is at its historical low for all seven software companies at once. Apple — which barely over-hired and never did mass layoffs — sits at its own low of 0.42 with the rest, which a post-pandemic correction alone cannot produce.
Methodology
For each company and each fiscal year, OLS of log fiscal year-end headcount on log annual revenue over the trailing eight years; the plotted value is the slope — the revenue elasticity of headcount. Windows with fewer than seven observations, or where log revenue moved less than 0.15 (a slope fitted over a flat decade is noise, which is Oracle's 2014–2021), are omitted; gaps in a line are those omissions. Data sources and caveats as in the companion path chart. Sensitivity: rerun with 7-year and 9-year windows, the same companies end at their historical low, so the window length is not carrying the result. Two controls bracket the reading. Delta, the external one, does not show the decline. Apple is the internal one: it grew headcount just 12% over 2019–2021 (Meta grew 60%, Amazon 102%), never had a mass layoff, and sits within a few percent of its own pre-Covid level benchmark — yet its elasticity is also at its historical low, and its later-era fit is still coherent rather than noisy. A firm with nothing to correct settling onto a flatter line is what a changed relationship looks like, and not what an unwind of pandemic over-hiring can produce. Descriptive, not causal: a falling slope says hiring responds less to growth, not why.