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Machine replacement, Network Externalities and Investment Cycles

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Author Info
Juan Ruiz (Universidad Carlos III de Madrid)

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Abstract

This paper presents a model where agents decide on the timing of replacement of ageing machines. The optimal replacement policy for an agent is influenced by other agents' decisions because the productivity of a particular vintage displays network externalities that set in with a lag. In equilibrium, agents follow innovation cycles with a frequency that is lower than optimal, so there is too much delay. One extreme case is the possibility of inefficient collapse: for some parameters there is no investment in equilibrium, even though it is socially optimal that agents (eventually) invest in cycles. Another feature of the model is the tendency of agents to synchronize their individual decisions, and thus the outcome of the aggregate economy does not smooth out the non- convexities present at the microeconomic level.

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Publisher Info
Paper provided by EconWPA in its series Macroeconomics with number 0302001.

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Length: 42 pages
Date of creation: 04 Feb 2003
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Handle: RePEc:wpa:wuwpma:0302001

Note: Type of Document - pdf file; prepared on Scientific Workplace; to print on any printer; pages: 42 ; figures: included in text
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Related research
Keywords: Machine replacement; network externalities; investment cycles; delay.;

Find related papers by JEL classification:
E22 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Capital; Investment; Capacity
E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
D92 - Microeconomics - - Intertemporal Choice and Growth - - - Intertemporal Firm Choice and Growth, Investment, or Financing

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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.:
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  5. Cooper, Russell W. & Haltiwanger, John Jr., 1992. "Macroeconomic implications of production bunching : Factor demand linkages," Journal of Monetary Economics, Elsevier, vol. 30(1), pages 107-127, October. [Downloadable!] (restricted)
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  6. Bertola, G. & Caballero, R.J., 1990. "Kinked Adjustment Costs And Aggregate Dynamics," Discussion Papers 1990_20, Columbia University, Department of Economics.
    Other versions:
  7. Adsera, Alicia & Ray, Debraj, 1998. " History and Coordination Failure," Journal of Economic Growth, Springer, vol. 3(3), pages 267-76, September. [Downloadable!] (restricted)
  8. Matsuyama, Kiminori, 1991. "Increasing Returns, Industrialization, and Indeterminacy of Equilibrium," The Quarterly Journal of Economics, MIT Press, vol. 106(2), pages 617-50, May. [Downloadable!] (restricted)
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  9. Krugman, Paul, 1991. "History versus Expectations," The Quarterly Journal of Economics, MIT Press, vol. 106(2), pages 651-67, May. [Downloadable!] (restricted)
  10. Russell Cooper & John Haltiwanger & Laura Power, 1995. "Machine Replacement and the Business Cycle: Lumps and Bumps," NBER Working Papers 5260, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  11. Gale, Douglas, 1996. "Delay and Cycles," Review of Economic Studies, Blackwell Publishing, vol. 63(2), pages 169-98, April. [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. Juan Ruiz, 2003. "Another Perspective on Planned obsolescence: is there really too much Innovation?," Industrial Organization 0302001, EconWPA. [Downloadable!]
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