Wealth Shocks Fade Within Three Generations in England, Study Spanning 1700–2026 Finds
Key Takeaways
- •The study finds that wealth shocks in England largely dissipated within less than three generations, even as families' relative wealth status persisted across more than five generations between 1700 and 2026.
- •The researchers measured shock persistence through random, biology-driven variation in family size before 1880, when fertility operated largely by chance and family size strongly shaped each child's wealth in richer households.
- •Because relative wealth standing endured across many generations while one-off shocks faded, the authors conclude that long-run wealth mainly derives from sources other than inherited wealth.
- •The paper argues that the link between nineteenth-century and modern wealth reflects the familial inheritance of behaviors associated with wealth accumulation and retention, rather than wealth transfers alone.
- •The findings speak to how much modern wealth is attributable to events before 1900, a question central to assessing how far today's wealth gaps are rooted in the past.
A new study by economic historians Gregory Clark and Neil Cummins finds that wealth shocks in England largely dissipated in less than three generations — even as families' relative wealth status itself persisted across more than five generations between 1700 and 2026.
The paper takes up a long-standing question in economic history: do wealth shocks endure and even magnify as they pass from one generation to the next, or do they dissipate? By implication, it asks how much modern wealth is attributable to events that occurred before 1900 — a question central to any assessment of how far today's wealth gaps are rooted in the past.
To measure the persistence of wealth shocks, the authors rely on random shocks to family size in England before 1880 that created wealth shocks for the children — variation that arose by chance rather than through families' own choices. Fertility in England in that era, they note, was a biological lottery. For richer families, family size strongly influenced the wealth of each child.
The study finds that these biology-induced wealth shocks had no impact on descendant wealth by three generations later. In other words, family-size shocks that shifted resources among the children of wealthier families left no measurable trace in the wealth of their descendants. The result draws a sharp line between one-off shocks and standing: because families' relative wealth status persisted across more than five generations, the authors conclude that, in the long run, wealth mainly derives from sources other than inherited wealth.
According to the paper, the observed link between nineteenth-century and modern wealth does not lie in wealth transfers alone. Wealth persisted, it argues, because of the familial inheritance of behaviors associated with wealth accumulation and retention.
Clark and Cummins have previously co-authored research on wealth, status, and fertility in historical England. The new paper is available on Wiley Online Library. The findings were highlighted in an October 22, 2026 post on Marginal Revolution, an economics blog, via Kevin Lewis's Findings roundup at National Affairs.
