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"In the second-half of the 1990s, the positive impact of information technology on productivity growth for the United States became apparent. The measurement of this productivity improvement depends on hedonic procedures adopted by the Bureau of Labor Statistics (BLS) and Bureau of Economic Analysis (BEA). In this paper we suggest a new reason why conventional hedonic methods may overstate the price decline of personal computers. We model computers as a durable good and suppose that software changes over time, which influences the efficiency of a computer. Anticipating future increases in software, purchasers may "overbuy" characteristics, in the sense that the purchased bundle of characteristics is not fully utilized in the first months or year that a computer is owned. In this case, we argue that hedonic procedures do not provide valid bounds on the true price of computer services at the time the machine is purchased with the concurrent level of software. To assess these theoretical results we estimate the model and find that before 2000 the hedonic price index constructed with BLS methods overstates the fall in computer prices. After 2000, however, the BLS hedonic index falls more slowly, reflecting the reduced marginal cost of acquiring (and therefore marginal benefit to users) of characteristics such as RAM, hard disk space or speed"--National Bureau of Economic Research web site.
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Subjects
Prices, Economic aspects of Computer industry, Computer industry, Computers, Economic aspectsPlaces
United StatesEdition | Availability |
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Re-assessing the U.S. quality adjustment to computer prices: the role of durability and changing software
2004, National Bureau of Economic Research
in English
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Re-assessing the U.S. quality adjustment to computer prices: the role of durability and changing software
2004, National Bureau of Economic Research
Electronic resource
in English
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Book Details
Edition Notes
Includes bibliographical references.
Title from PDF file as viewed on 1/5/2005.
Also available in print.
System requirements: Adobe Acrobat Reader.
Mode of access: World Wide Web.
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