منابع مشابه
Scanner data, time aggregation and the construction of price indexes
Weexamine the impact of time aggregation on price change estimates for 19 supermarket item categories using scanner data. Time aggregation choices lead to a difference in price change estimates for chained indexes which ranged from 0.28% to 29.73% for a superlative index and an incredible 14.88%–46,463.71% for a non-superlative index. Traditional index number theory appears to break down with w...
متن کاملEstimating Dynamic Price Indexes
Price indexes are summary statistics meant to convey a comparison of prices at one time (or place) to another. The raw ingredients from which a standard price index is constructed are the ratios of the price of an item at one time period to the price of the same item at another. Goods which disappear after the initial time period, or first appear in the second, thwart constructing these ratios....
متن کاملRegional Hospital Input Price Indexes
This paper describes the development of regional hospital input price indexes that is consistent with the general methodology used for the National Hospital Input Price Index. The feasibility of developing regional indexes was investigated because individuals inquired whether different regions experienced different rates of increase in hospital input prices. The regional indexes incorporate var...
متن کاملStudies in Hedonic Resale Housing Price Indexes∗
Hedonic analysis is gaining acceptance as a tool for quality adjustment in goods and services in official statistics and academic research. Computers and houses are by far the two most popular products for which much of the hedonic research been concentrated on. Few comparative studies have, however, looked at the sensitivity of the price indexes that are obtained when different regression appr...
متن کاملUpdate on provider input price indexes
The Medicare hospital prospective payment system (PPS), and limits on home health agency (HHA) and skilled nursing facility (SNF) costs, incorporate an inflation factor that reflects the percentage change in the price of a fixed quantity of goods and services purchased in order to furnish care. First adopted in 1979 in connection with the limits on hospital routine operating costs, these measur...
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ژورنال
عنوان ژورنال: American Journal of Agricultural Economics
سال: 2018
ISSN: 0002-9092,1467-8276
DOI: 10.1093/ajae/aay032