Budgeting & Forecasting › Flexible Budgets

Why might a favorable flexible-budget cost variance still be a concern?

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Answer

A favorable variance against the flexed budget can hide problems: it may reflect cheaper, poorer-quality inputs, deferred spending, or standards set too loosely. Because the flexed budget removes volume effects, a favorable variance points to price/efficiency factors that still merit investigation to confirm they're genuinely good.
Real-world example A favorable flexed variance turns out to be from skipping maintenance, storing up future problems.

Common follow-ups: What could hide behind a favorable variance? | Why investigate it?