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Static trade-off theory

Debt can create value through interest tax savings, but additional gearing can increase the probability and consequences of distress, constrain operations and create agency costs. The trade-off approach seeks a capital structure at which the marginal benefit of further debt is balanced by marginal expected costs. The result varies with cash-flow stability, assets, taxes and financing conditions. It is not a precise formula that identifies one permanent universal gearing ratio, and it differs from the pecking-order explanation based on preferences and information effects.

Worked example

A stable utility with predictable cash flows and substantial assets may sustain more borrowing than a volatile young research business. Different expected distress costs can justify different target gearing even if both face the same headline tax rate.

Common mistake

Assuming a high tax rate alone determines an optimal debt level without considering the ability to use relief or the consequences of distress.

Where it appears in your exams

QualificationExamRelationshipPeriod
ACCA AFM Direct September 2026–June 2027
ACCA FM Direct September 2026–June 2027