Price indexes


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Price indexes

Index

A statistical measure of the value of a certain portfolio of securities. The portfolio may be for a certain class of security, a certain industry, or may include the most important securities in a given market, among other options. The value of an index increases when the aggregate value of the underlying securities increases, and decreases when the aggregate value decreases. An index may track stocks, bonds, mutual funds, and any other security or investment vehicle, including other indices. An index's value may be weighted; for example, securities with higher prices or greater market capitalization may affect the index's value more than others. One of the most prominent examples of an index is the Dow Jones Industrial Average, which is weighted for price and tracks 30 stocks important in American markets.
References in periodicals archive ?
BLS uses a modified form of the Laspeyres index to calculate the IPP import and export price indexes.
BLS is responsible for collecting price data and constructing price indexes that are used to deflate purchases made by consumers, businesses, and the government sector in the construction of various statistics published in the industry and national income accounts.
Well-known examples include commodity price indexes that have been published by the Commodity Research Bureau and the Journal of Commerce.
All other taxpayers must elect to compute LIFO price indexes from the PPI Detailed Report.
In sum, although the accuracy of medical care price indexes has improved, there are still substantial opportunities for further improvement.
This section compares the PPI for final demand with the BEA price indexes for GDP and gross domestic purchases.
Although some of our earlier work focused on adjusting for quality the price indexes for personal computers,(1) we chose the prescription pharmaceutical industry this time (NBER Faculty Research Fellow Joshua Rosett was also a participant).
Using a national set of data about various characteristics of structures, such as square footage and number of stories, Loebach generated and analyzed both annual and quarterly price indexes for eight types of structures, including apartments, shopping centers, warehouses, and office buildings among others, for 1995-2004.
The motivation for producing price indexes by geographic region of origin is twofold.
THERE has been recent speculation about the impact of the use of hedonic price indexes in the measurement of real computer hardware and software expenditures in the U.