Theme 4 · Capital Efficiency
Why this theme exists
On 31 March 2023, the Tokyo Stock Exchange asked all Prime and Standard Market companies to "Implement Management Conscious of Cost of Capital and Stock Price." A request, not a regulation. Yet within three years it has reshaped capital allocation across the Japanese listed universe — driving a record ¥18 trn of buybacks in 2024, the unwind of ¥3.69 trillion of cross‑shareholdings in FY2023, 108 activist campaigns in a single year, and the Buffett trade.
Theme 4 is the operational core of this curriculum. It is the theme an IR rep is most likely to be tested on in an investor meeting tomorrow. By the end you will:
- Decode the March 2023 request — its exact five‑step PDCA, what TSE actually asks for, why "request" has teeth.
- Own the new vocabulary — WACC, cost of equity (CAPM), ROE, ROIC, equity spread (ROE − rE), CROIC, the PBR = ROE × PER decomposition.
- Read the monthly disclosure list — how to parse Disclosed / Under Consideration / Not Disclosed.
- Recognise the seven sins of misalignment — the archetypal disclosure failures TSE has called out.
- Understand the April 2026 Update — the pivot from disclosure to substantive implementation.
The arc in one sentence
The March 2023 request seemed soft, but the public disclosure list, the "misalignment" booklet, the Follow‑up Council's iterative pressure, and the April 2026 "from form to substance" pivot have turned it into the most operationally consequential reform in modern Japanese governance.
Posts in this theme
| # | Title | Visual |
|---|---|---|
| 4.1 | PBR < 1 Is Not a Target — It's a Verdict | 5‑step PDCA + PBR = ROE × PER math callout |
| 4.2 | WACC, ROIC, Equity Spread: the new vocabulary | 9‑term JP/EN glossary table |
| 4.3 | The Shame‑and‑Showcase List | Monthly list mock + three‑state classification |
| 4.4 | The Seven Sins of Cost‑of‑Capital Disclosure | Misalignment vs Alignment comparison |
| 4.5 | From Disclosure to Implementation: the April 2026 Update | March 2023 → April 2026 arc + macro stats |
Reading order
Linear (4.1 → 4.2 → 4.3 → 4.4 → 4.5) is mandatory. 4.1 sets the conceptual frame; 4.2 gives the vocabulary; 4.3 explains the enforcement mechanic; 4.4 gives the self‑diagnostic; 4.5 explains where TSE is now and what is coming.
What you carry into Theme 5
- The vocabulary to speak fluently with overseas investors about cost of capital, ROIC trees, and equity spread.
- A self‑diagnostic for your own company's disclosure: which of the seven sins applies?
- Familiarity with the macro statistics that show the reform is structural, not cosmetic (¥18 trn buybacks, 108 campaigns, etc.).
- An entry point to Theme 5: cost of capital is the foundation on top of which English disclosure, cross‑shareholding policy, sustainability, and activism are all stacked.
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