Merchandising & Buying

Newness versus continuity performance analysis

Analyse the sales contribution of new lines against carry-forward lines across seasons. Identifies whether newness is driving incremental revenue or cannibalising existing bestsellers.

Decision supportPattern-matchingAccuracyRevenue

5–10%

improvement in newness sell-through rate

Opportunity assessment

Business Impact
3

Moderate impact. Meaningful cost or revenue improvement, likely noticeable at function level but modest relative to total business scale.

Feasibility
4

Relatively straightforward. Off-the-shelf tools handle the core task. Implementation is well-understood with good examples to follow.

Data Readiness
3

Moderate data needs. Works with data most businesses hold, but will likely need consolidation, cleaning, or reformatting before use.

Risk Exposure
5

Very low risk. Fully internal use. A person checks everything before it goes further. Worst case is a minor internal inconvenience.

Change Complexity
5

Very easy to absorb. Runs quietly in the background or gives people a helpful new input. Makes everyday work easier with almost no friction.

Tooling required

Standard LLM

Things to consider

  • Requires product data that reliably distinguishes new, updated, and carry-forward lines — if this classification isn't in the data, it needs to be added before analysis is possible.

  • Cannibalisation analysis is inherently difficult: a decline in a continuity line when a new line launches could be cannibalisation or a natural decline. The AI surfaces the correlation; the buyer applies judgment.

  • The most actionable output is a view of which new lines delivered truly incremental volume versus which merely displaced existing sales. This directly informs future ranging strategy.

  • The analysis is most useful when done at category or sub-category level, not across the full range. Averaging across all categories obscures the patterns that drive decisions.

  • Experiment starter: For two completed seasons, classify all lines as new, updated, or continuity and compare average sell-through, markdown rate, and contribution by classification. Present the analysis in the next ranging review. If it changes the team's perspective on newness investment levels, it's working.

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