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The Strategy Digest / Harvard Business Review

How Much Should You Be Investing in Growth?

Harvard Business Review · Article · 22 Sept 2026 · Empirical research · Paywalled · Editor's rating: ★★ Recommended

Firms earn the highest valuations when their growth investment falls within a sweet spot calibrated to their industry's maturity and dynamics.

Summary

Blase and Leinwand argue that many companies either underinvest in growth or overspend on initiatives that fail to create value. Analysing 2,900 U.S. public companies over a decade, they find the strongest valuation multiples among firms investing within an industry-specific sweet spot, while those outside it suffered penalties of 20% to 70%. They recommend aligning investment with industry context, managing growth initiatives as an integrated

Editor's opinion

Large-sample (2,900 companies) finding of an industry-specific growth-investment sweet spot, with real valuation penalties outside it -- genuinely useful for capital allocation.

Key concepts

Investment sweet spot · Industry-calibrated growth spending · Integrated growth portfolio

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