Compute the dividend payout ratio from dividend per share and earnings per share.
支付率 = DPS / EPS。
| Item | Formula / Rule | Source / Standard |
|---|---|---|
| Payout ratio | Payout ratio = dividend per share / earnings per share, with the retention rate equal to one minus the payout | Brealey et al. 2020, Principles of Corporate Finance, Ch. 16 |
| Growth link | Sustainable growth g = ROE × retention rate, so more retention means faster internal growth | Brealey et al. 2020, Principles of Corporate Finance, Ch. 16 |
| Sector variation | Mature industries pay out more while high-growth firms retain earnings or skip dividends | Brealey et al. 2020, Principles of Corporate Finance, Ch. 16 |