Insights · Pricing

Price-pack architecture: how to pass inflation without breaking the brand

When costs rise, the reflex is a single blanket price increase. That is the crudest tool you have. Inflation is a design problem - which rung of the range moves, by how much, in what format - and the answer is price-pack architecture.

When input costs jump, the request that lands on the commercial team is almost always the same: put prices up by the number that covers the cost. It is fast, it is defensible in a spreadsheet, and it is the bluntest instrument available. A single across-the-board increase treats every buyer, every pack and every occasion as identical - which they are not. Some buyers won't notice a few percent; others will abandon the category at the first sight of a higher shelf price. A blanket hike over-charges the first group by too little and drives the second away entirely. Price-pack architecture is the discipline of passing cost through deliberately, rung by rung, so the increase lands where willingness-to-pay can absorb it and is cushioned where it can't.

The blunt-hike trap

The problem with one number is that it hides all the useful ones. Within any range, elasticity varies enormously: the premium tier can often take a full pass-through with no volume loss, while the entry tier - the one defending you against private label and cheaper rivals - cannot. Move them by the same percentage and you leave margin on the table at the top while punching a hole in your defence at the bottom. Worse, a visible list-price jump on your hero SKU resets the reference price for the whole brand (the trap we covered in our note on when not to cut price - it runs in reverse for increases). The blanket hike optimises for accounting convenience, not for the shape of demand.

What price-pack architecture actually is

Price-pack architecture (PPA) is the deliberate design of a ladder of sizes, formats and price points across a range, so that every meaningful willingness-to-pay has a rung to stand on. A good ladder has an entry rung that holds the price-sensitive shopper against cheaper alternatives, a core hero that carries the volume and the brand, and a premium rung that harvests the buyers who will pay more for more. Inflation is then absorbed by re-shaping the ladder - a new smaller entry format at a sharp price, a value pass-through on the core, a fuller premium tier - rather than by dragging every rung up by the same amount. The range does the work the single number cannot.

Inflation isn't a memo that says "raise prices 8%". It's a design problem: which rung moves, by how much, in what format.

Price-per-unit is the anchor that matters

The number most operators optimise is the shelf price. The number a growing share of shoppers actually reads - especially in grocery, and increasingly required on the label - is the price-per-unit (per litre, per 100g, per wash). That is the true anchor of value perception, and it does not care how you dress the pack. You can hold a psychologically comfortable shelf price by trimming the pack, but if the price-per-unit spikes, the value-conscious shopper sees it and re-rates you. PPA treats price-per-unit as a variable to be managed on purpose across the ladder - lower on the large and premium formats, higher on the convenience of a small pack - not as an accident of packaging decisions made in isolation.

Shrinkflation: the honest version

Reducing pack size while holding price - shrinkflation - is a legitimate lever, but only when paired with a genuine value swap the shopper can see: a better format, a resealable pack, a recipe improvement, a convenience gain. Done that way it is a fair trade. Done silently, it is a short-term margin grab that the internet now catches within days, and the reputational cost dwarfs the quarter of saved margin. The test is simple: would you be comfortable putting the size change on the front of pack? If not, it is not architecture, it is hoping no one notices - and someone always does.

Move the mix, not just the price

The most durable way to recover margin under inflation is often not to raise any single price faster, but to shift the mix - to move buyers up the ladder toward higher-margin rungs through range design, merchandising and promotion discipline. A point of mix shift can be worth more than a point of price, and it doesn't advertise itself on the shelf as an increase. This is where pricing meets the P&L: the question is not only "what is each SKU priced at" but "what is the blended margin of what we actually sell, and how does the architecture move it". That is portfolio thinking, not line-item thinking.

How we build the ladder

This is the core of our Pricemore work: we map elasticity and willingness-to-pay across the range, design the rung structure, and model how much inflation each tier can absorb before volume breaks - so the pass-through is engineered, not guessed. We pair it with Cashstream, our portfolio P&L lens, to see the blended-margin effect of the whole architecture and where a mix shift beats a price move. The output is not a percentage; it is a redesigned ladder with the number, the format and the rung for each change already decided.