The time price
of one portion.
Turns a kebab price into minutes: how long must someone work for one standard portion?
FORMULA = portion_price / hourly_net_wage * 60
portion_price / hourly_net_wage * 60264.5 min / portion
Fewer minutes mean stronger purchasing power. More minutes mean the portion takes a larger share of pay.
The portion price is divided by hourly net pay, based on 225 working hours per month, then multiplied by 60.
Uses the same 2005–2026 price and wage records as the purchasing-power series.
Fewer minutes mean stronger purchasing power. More minutes mean the portion takes a larger share of pay.
The 225-hour month is a comparison convention; individual shifts and overtime are not modelled.
The derived index is live and updates with the main price series.
10 frequently asked questions
Short answers on formula, evidence and limits.
Show more questions01What does Kebab Work-Time Index measure?
Kebab Work-Time Index reads a kebab price together with the economic value attached to it, not as a price alone.
02How is the index calculated?
The portion price is divided by hourly net pay, based on 225 working hours per month, then multiplied by 60. Technical formula: portion_price / hourly_net_wage * 60.
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 7 core fields: price.amount, price.currency, observedAt, sourceId, confidence, netWage, monthlyWorkHours. Unknown values remain null.
05Which years and places are covered?
Uses the same 2005–2026 price and wage records as the purchasing-power series.
06How should the result be read?
Fewer minutes mean stronger purchasing power. More minutes mean the portion takes a larger share of pay.
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 derived index is live and updates with the main price series.
10What is its main limitation?
The 225-hour month is a comparison convention; individual shifts and overtime are not modelled.
