Points of Parity / Difference

The distinction between attributes on which a brand must merely match competitors and the attribute on which it must differ.

Keller (1998); popularised in Keller, Sternthal & Tybout, HBR (2002)

What it does

Separates the attributes where you must merely match rivals from the one where you must differ. Directly governs where money goes.

When it breaks

Let the parity list grow and the product becomes a me-too. Matching is not free — most budgets disappear into it without anyone noticing.

Case

Miller Lite is the canonical worked example: “Tastes great” established parity with full-strength beer, neutralising the assumption that light beer was watery, while “Less filling” carried the difference. The pairing built US light beer into roughly half of national volume.

HBR — Three Questions You Need to Ask About Your Brand ↗

Diagram — not yet drawn

Two stacked bars of attributes, parity below and difference above, with the cost of each parity attribute shown as its width — the hidden expense made visible.

In the wild

Unvetted · not part of the tier assessment

What has been written about this tool in the last twelve months. Machine-retrieved and unchecked — everything above this line was checked.

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