When is financial leverage efficient versus risky?

Question

AcadiFi · Accepted Answer

Leverage is efficient when the after-tax cost of debt is below the return on invested capital and when the cash flow cushion can absorb downturns. Neither condition is directly visible in the equity multiplier alone.

For Prairiecrest Utilities with equity multiplier of 3.2x:

- ROIC: 8.6%
- After-tax cost of debt: 3.4%
- Spread: 520 basis points
- Interest coverage (EBIT / interest): 6.8x
- FFO / debt: 22%
- Debt maturity wall: no single year greater than 15% of total debt

These metrics collectively suggest efficient leverage. Spread is healthy, coverage is comfortable, and maturity ladder is smooth.

Compare to Harbortown Retail with the same 3.2x multiplier but ROIC of 4.1%, after-tax cost of debt of 5.8% (negative spread), interest coverage of 1.9x, and 40% of debt maturing next year. Here leverage is destroying value and refinancing risk is acute.

Key efficiency tests:

1. Positive spread between ROIC and after-tax cost of debt.
2. Interest coverage comfortably above 3x through the cycle.
3. FFO / debt above 15% for investment-grade quality.
4. Maturity ladder spread across 5+ years.
5. Covenant headroom exceeding 20%.

Leverage per se is not risky; leverage paired with poor returns or thin coverage is.

When is financial leverage efficient versus risky?

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