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2. List of price index formulas - Wikipedia

   en.wikipedia.org/wiki/List_of_price_index_formulas

   The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]

3. List of countries by price level - Wikipedia

   en.wikipedia.org/wiki/List_of_countries_by_price...

   The Global price level, as reported by the World Bank, is a way to compare the cost of living between different countries. It's measured using Purchasing Power Parities (PPPs), which help us understand how much money is needed to buy the same things in different places. Price level indexes (PLIs), with the world average set at 100, are ...

4. Consumer price index - Wikipedia

   en.wikipedia.org/wiki/Consumer_price_index

   A CPI is a statistical estimate constructed using the prices of a sample of representative items whose prices are collected periodically. Sub-indices and sub-sub-indices can be computed for different categories and sub-categories of goods and services, which are combined to produce the overall index with weights reflecting their shares in the total of the consumer expenditures covered by the ...

5. Price index - Wikipedia

   en.wikipedia.org/wiki/Price_index

   A price index (plural: "price indices" or "price indexes") is a normalized average (typically a weighted average) of price relatives for a given class of goods or services in a given region, during a given interval of time.

6. Purchasing power parity - Wikipedia

   en.wikipedia.org/wiki/Purchasing_power_parity

   Purchasing power parity (PPP) [1] is a measure of the price of specific goods in different countries and is used to compare the absolute purchasing power of the countries' currencies. PPP is effectively the ratio of the price of a market basket at one location divided by

7. Consumer price index by country - Wikipedia

   en.wikipedia.org/wiki/Consumer_price_index_by...

   In India, a total of 697 commodities data on price level is tracked through WPI which is an indicator of movement in prices of commodities in all trade and transactions. It is also the price index which is available on a weekly basis with the shortest possible time lag only two weeks. [17] Base year to calculate WPI is 2011-2012=100