The capital allocation decision
When a company earns £100m of profit, management faces four choices. Retain and reinvest: plough the money back into the business — new factories, R&D, technology, acquisitions. Creates value if reinvestment returns exceed the cost of equity. Pay dividends: distribute cash to shareholders, who can reinvest it at market rates. Appropriate when the company cannot find reinvestment opportunities above the cost of capital. Buy back shares: repurchase the company’s own shares, reducing share count and boosting earnings per share. Effectively the same as a dividend in terms of cash return to shareholders, but with tax advantages in many jurisdictions and the signal that management believes shares are undervalued. Repay debt: reduce leverage, particularly when interest rates are high or the balance sheet is over-geared.
Warren Buffett and retained earnings
Warren Buffett famously uses a simple test for whether retained earnings are justified: for every £1 retained, has the company created at least £1 of market value? If a company consistently earns returns on equity above its cost of equity, retaining earnings for reinvestment creates more shareholder value than paying them out. This is why high-growth technology companies (Apple, Alphabet historically) paid minimal dividends and reinvested profits — their reinvestment returns were extraordinary. As companies mature and reinvestment opportunities diminish, the optimal capital allocation shifts toward returning cash: Apple now returns tens of billions annually through dividends and buybacks precisely because its incremental reinvestment returns have converged toward the market rate.
“Dividends are for companies that cannot find ways to earn more than the cost of capital on reinvested earnings. For companies that can, retention is the gift that keeps compounding.”
What this means for you
When evaluating a company’s capital allocation, ask: what does it do with its profits? A company with high return on equity that retains earnings and reinvests at those rates is creating compounding wealth for shareholders — even without dividends. A company that retains earnings and consistently earns below its cost of equity (poor ROIC) is destroying value. Dividend yield alone is a poor measure of shareholder value — it tells you nothing about whether the retained portion is being invested productively. Companies with the best long-term shareholder returns are usually those that found genuinely high-return reinvestment opportunities and retained earnings to fund them: LVMH, Berkshire Hathaway, and Apple in different ways all exemplify this compounding of retained capital.