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Faster, Smaller, Cheaper: An Hedonic Price Analysis of PDAs

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Author Info
Paul D. Chwelos
Ernst R. Berndt
Iain M. Cockburn

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Abstract

We compute quality-adjusted price indexes for Personal Digital Assistants (PDAs) for the period 1999-2004, using data on prices and characteristics of 203 models sold by 12 manufacturers. The PDA market is growing in size, it is technologically dynamic with very substantial changes in measured characteristics over time, and it has experienced rapid rates of product introduction. Hedonic regressions consistently show prices to be positively related to processor performance, RAM memory, permanent storage capacity, and battery life, as well as several measures of screen size and quality. Features such as networking, biometric identification, camera, and cellphone capability are also positively associated with price. Hedonic price indexes implied by these regressions decline at an AAGR of 21.1% to 25.6% per year during this period. A matched model price index computed from a subset of observations declines at 18.75% per year. Though these PDA rates of price decline are lower than have been estimated for desktop and laptop PCs, consumers in this "ultra-portable" segment of the computer market appear to have enjoyed substantial welfare gains over the past five years.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 10746.

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Date of creation: Sep 2004
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Handle: RePEc:nbr:nberwo:10746

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Find related papers by JEL classification:
C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
L63 - Industrial Organization - - Industry Studies: Manufacturing - - - Microelectronics; Computers; Communications Equipment
O30 - Economic Development, Technological Change, and Growth - - Technological Change - - - General

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  1. Baker, Terry A, 1997. "Quality-Adjusted Price Indexes for Portable Computers," Applied Economics, Taylor and Francis Journals, vol. 29(9), pages 1115-23, September. [Downloadable!] (restricted)
  2. Terry A. Baker, 1997. "Quality-adjusted price indexes for portable computers," Applied Economics, Taylor and Francis Journals, vol. 29(9), pages 1115-1123, September. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Robert J. Gordon, 2006. "The Boskin Commission Report: A Retrospective One Decade Later," NBER Working Papers 12311, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  2. Leonard J. Loebach, 2005. "Another Look at Nonresident Building Prices," BEA Working Papers 0021, Bureau of Economic Analysis. [Downloadable!]
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