We construct a two-sector vintage capital model with neutral and investment-specific technical progress and variable utilization of each vintage. The lifetime of capital goods is endogenous and it relies on the associated maintenance costs. First, we show that the lifetime of capital is an increasing (resp. decreasing) function of the rate of neutral (resp. investment-specific) technical progress. Second, we show that both the use-related depreciation rate and the scrapping rate increase when investment-specific technical progress accelerates. However, the latter drops when neutral technical progress accelerates, while the former remains unaffected. It is also shown that (i) the economic depreciation rate depends on the decline rate of the quality-unadjusted relative price of investment and (ii) the age-related depreciation rate depends on the obsolescence rate. Copyright 2009 , Oxford University Press.
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Volume (Year): 61 (2009) Issue (Month): 3 (July) Pages: 440-466 Download reference. The following formats are available: HTML
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References listed on IDEAS 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.:
Michael J. Geske & Valerie A. Ramey & Matthew D. Shapiro, 2004.
"Why Do Computers Depreciate?,"
NBER Working Papers
10831, National Bureau of Economic Research, Inc.
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