We cannot explain why revenue changed
What actually drove the change?
Why This Decision Matters
Price-Volume-Mix (PVM) analysis breaks down changes in overall revenue into price effects, volume growth, and mix shifts.
Managers look at overall revenue increase and assume all products are performing well. In reality, a revenue rise might be driven entirely by inflation price hikes masking a dangerous volume drop or churn in core product lines.
Price-Volume-Mix (PVM) Variance Analysis mathematical optimization with explicit operational constraints.
Price-Volume-Mix (PVM) Variance Attribution
Unpacks headline revenue movements to isolate whether growth was driven by genuine volume expansion or masked by price increases.
Decisions that Govern Execution
#1Pricing Adjustments: Should we raise prices at the risk of losing volume?
#2Product Mix Strategy: Which high-margin products should we actively promote?
Execution Sequence for Operators
Gather itemized price and unit volume database metrics for prior and current periods.
Isolate new and retired products into separate launch/churn categories to avoid mix distortion.
Formulate the three standard PVM equations at the individual SKU level.
Create a visual waterfall chart to present raw driver contributions clearly to leadership.
Re-allocate sales team incentives away from raw revenue volume towards gross profit mix contribution.
Required Telemetry Feeds
| Field | Type | Purpose |
|---|---|---|
| Sales Revenue by SKU | Amount ($) per period | Provides baseline financial input. |
| Sales Volume by SKU | Units sold per period | Determines unit-level velocity. |
Diagnostic Scoreboard & Formulas
| Metric | Mathematical Formula | Interpretation |
|---|---|---|
| Price Variance | (Current Price - Prior Price) * Current Volume | Measures impact of pricing moves. |
| Volume Variance | (Current Volume - Prior Volume) * Prior Price * Prior Mix | Measures impact of total units sold. |
| Mix Variance | Prior Price * Current Volume * (Current Mix % - Prior Mix %) | Measures shift toward higher-value products. |
Foundational Literature
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