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Stocks for the Long Run (Jeremy Siegel): Biblical Data on Market Returns
Key takeaways
- Over 200 years of American history, equities outperformed bonds and cash on every 20-year horizon — without exception.
- The real return on US equities was approximately 6–7% per year and was remarkably stable across different periods.
- Diversification across sectors and geographies reduces risk without a significant loss of return.
- Dividends and their reinvestment account for a substantial portion of total return — tracking only a price index is misleading.
- The book focuses primarily on the US market — Triumph of the Optimists provides the global perspective.
Is there a data-based case for investing in equities backed by 200 years of history? Jeremy Siegel constructed exactly that argument and first published it in 1994. Every edition since has been expanded with new decades of data — and the conclusion remains the same.
The Main Thesis: Equities Outperform Everything over the Long Horizon
Siegel analysed returns on US equities, bonds, gold, and cash from 1802. The result is clear: equities outperformed all other asset classes on every twenty-year horizon without a single exception. Even investors who bought just before the 1929 crash achieved a positive real return on a twenty-year horizon.
This finding does not mean equities are riskless. It means that the risk facing an investor with a twenty-year horizon is radically different from the risk facing an investor with a two-year horizon.
Real Return and Inflation
Siegel's key metric is the real return — return after subtracting inflation. US equities generated approximately 6.5–7% of real annual return over two hundred years. This result is remarkably consistent across decades, wars, crises, and technological revolutions.
By contrast, long-term bonds generated 1–3% real annual return and cash barely kept pace with inflation.
Sector Rotation and Value Stocks
Later editions of Siegel's book address sector rotation and the phenomenon that new industries (technology in the 1990s, biotech) do not automatically deliver above-average returns — because their potential is already priced in. Conversely, "boring" sectors such as energy, tobacco, and pharmaceuticals historically exceeded expectations.
- The best-performing sectors over the past 50 years in the US market were not technology, but energy and healthcare.
- Value stocks historically outperformed growth stocks — at least until 2010.
- Dividend aristocrats have significantly more stable performance than the market as a whole.
Limitations of the Book
Siegel works primarily with US data. The US market has been exceptionally successful over the past 200 years — the transferability of the conclusions to other markets is not self-evident. For the global perspective we recommend supplementing with Triumph of the Optimists by Dimson, Marsh, and Staunton — their review is available here. A full list of recommended books can be found in the book reviews section.
FAQ
Is Stocks for the Long Run suitable for beginners?
More accessible than many investment books, but it requires an interest in historical data and statistics. Beginners are advised to start with The Psychology of Money — and then Siegel as empirical grounding for the case for equity investing.
Why is the US market so dominant in the book?
Siegel works with US data because it is the longest and most complete available. He himself acknowledges that the US market was exceptionally successful over the past two centuries and that the results cannot be mechanically extrapolated to all markets worldwide.
What does Siegel say about bonds as a portfolio component?
Siegel does not exclude bonds — he recognises their role as a stabiliser. But the data show that over a 20+ year horizon bonds do not reduce portfolio risk enough to compensate for their lower returns. For a conservative investor they still have a place for stability.
Is there an updated edition?
Yes, the book has been published in several editions — the most recent is from 2022–2023 and includes updated data. A Czech translation exists under the title Akcie na dlouhou trať.