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  2. 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 ...

  3. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    It was inadequate for that purpose. In particular, if the price of any of the constituents were to fall to zero, the whole index would fall to zero. That is an extreme case; in general the formula will understate the total cost of a basket of goods (or of any subset of that basket) unless their prices all change at the same rate.

  4. Personal consumption expenditures price index - Wikipedia

    en.wikipedia.org/wiki/Personal_consumption...

    The PCE price index (PePP), also referred to as the PCE deflator, PCE price deflator, or the Implicit Price Deflator for Personal Consumption Expenditures (IPD for PCE) by the Bureau of Economic Analysis (BEA) and as the Chain-type Price Index for Personal Consumption Expenditures (CTPIPCE) by the Federal Open Market Committee (FOMC), is a United States-wide indicator of the average increase ...

  5. Deflator - Wikipedia

    en.wikipedia.org/wiki/Deflator

    In statistics, a deflator is a value that allows data to be measured over time in terms of some base period, usually through a price index, in order to distinguish between changes in the money value of a gross national product (GNP) that come from a change in prices, and changes from a change in physical output. It is the measure of the price ...

  6. Deflation - Wikipedia

    en.wikipedia.org/wiki/Deflation

    This is to be expected because monetary base (M B), velocity of base money (V B), price level (P) and real output (Y) are related by definition: M B V B = PY. [26] However, the monetary base is a much narrower definition of money than M2 money supply. Additionally, the velocity of the monetary base is interest-rate sensitive, the highest ...

  7. Hedonic index - Wikipedia

    en.wikipedia.org/wiki/Hedonic_index

    A hedonic index is any price index which uses information from hedonic regression, which describes how product price could be explained by the product's characteristics.. Hedonic price indexes have proved to be very useful when applied to calculate price indices for information and communication products (e.g. personal computers) and housing, [1] because they can successfully mitigate problems ...

  8. Cost-of-living index - Wikipedia

    en.wikipedia.org/wiki/Cost-of-living_index

    The United States Consumer Price Index (CPI) is a price index that is based on the idea of a cost-of-living index. The U.S. Department of Labor's Bureau of Labor Statistics (BLS) explains the differences: The CPI frequently is called a cost-of-living index, but it differs in important ways from a complete cost-of-living measure.

  9. United States Consumer Price Index - Wikipedia

    en.wikipedia.org/wiki/United_States_Consumer...

    Core CPI (blue) is less volatile than the full CPI-U (red), shown here as the annual percentage change, 1983–2021. A Core CPI index is a CPI that excludes goods with high price volatility, typically food and energy, so as to gauge a more underlying, widespread, or fundamental inflation that affects broader sets of items. More specifically ...