Not just price,
the 100-gram bill.
Reads price together with meat weight to make portion shrinkage visible.
FORMULA = price.amount / meatGrams * 100
price.amount / meatGrams * 100100 g
Even if the menu price is flat, a rising price per 100 grams can reveal a smaller portion or denser meat cost.
- Documents
- 10/10
- Observations
- 16/10
- Documents
- 10/10
- Observations
- 13/10
- Documents
- 10/10
- Observations
- 13/10
- Documents
- 33/10
- Observations
- 33/10
For every eligible record, price is divided by grams and multiplied by 100. Restaurant portions and ceiling tariffs stay in separate cohorts.
The gram-known panel covers 2023–2026 and evaluates each year against its own publication thresholds.
Even if the menu price is flat, a rising price per 100 grams can reveal a smaller portion or denser meat cost.
Menus without weight are excluded; cooked and uncooked weights are not interchangeable.
The panel is live; document, observation and restaurant thresholds are shown for each year.
10 frequently asked questions
Short answers on formula, evidence and limits.
Show more questions01What does Kebab Shrinkflation Index measure?
Kebab Shrinkflation Index reads a kebab price together with the economic value attached to it, not as a price alone.
02How is the index calculated?
For every eligible record, price is divided by grams and multiplied by 100. Restaurant portions and ceiling tariffs stay in separate cohorts. Technical formula: price.amount / meatGrams * 100.
03What is the standard product?
The target is a standard plate equivalent to 150 grams of uncooked meat. Missing product or weight detail is labelled, not guessed.
04Which data are required?
The calculation needs 8 core fields: price.amount, price.currency, meatGrams, kebabType, portionType, observedAt, sourceId, confidence. Unknown values remain null.
05Which years and places are covered?
The gram-known panel covers 2023–2026 and evaluates each year against its own publication thresholds.
06How should the result be read?
Even if the menu price is flat, a rising price per 100 grams can reveal a smaller portion or denser meat cost.
07Where do the sources come from?
Prices come from dated menus, official tariffs, news archives and direct documents; wage and reference series come from official institutions. Every result links to the source ledger.
08Which records are excluded?
Bundles with no separable price, temporary promotions, duplicate old prices and records outside the product contract are held out of the core calculation.
09When is it updated?
The panel is live; document, observation and restaurant thresholds are shown for each year.
10What is its main limitation?
Menus without weight are excluded; cooked and uncooked weights are not interchangeable.
