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The Diffusion of New Technologies: Evidence From the Electric Utility Industry

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Nancy L. Rose
Paul L. Joskow

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Abstract

This paper investigates the effect of firm size and ownership structure on technology adoption decisions, using data on the electric utility industry. We argue that traditional models of technology diffusion are subject to sample selectivity biases that may overstate the effect of firm size on adoption probabilities. By extending conventional hazard rate models to use information on both adoption and non-adoption decisions, we differentiate between firms' opportunities for adoption and their underlying adoption propensities. The results suggest that large firms and investor-owned electric utilities are likely to adopt new technologies earlier than their smaller and publicly-owned counterparts. Moreover, the selection biases from conventional statistical models can lead one to overstate size effects by a factor of two and to understate ownership structure and factor cost effects by two to four times.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 2676.

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Date of creation: Aug 1988
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Publication status: published as Rand Journal of Economics, Autumn, 1990, pp. 354-373
Handle: RePEc:nbr:nberwo:2676

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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.:
  1. V. Kerry Smith, 1974. "The Implications of Regulation for Induced Technical Change," Bell Journal of Economics, The RAND Corporation, vol. 5(2), pages 623-632, Autumn. [Downloadable!] (restricted)
  2. Benvignati, Anita M, 1982. "Interfirm Adoption of Capital-Goods Innovations," The Review of Economics and Statistics, MIT Press, vol. 64(2), pages 330-35, May. [Downloadable!] (restricted)
  3. Paul Sommers, 1980. "The Adoption of Nuclear Power Generation," Bell Journal of Economics, The RAND Corporation, vol. 11(1), pages 283-291, Spring. [Downloadable!] (restricted)
  4. Sharon Oster, 1982. "The Diffusion of Innovation among Steel Firms: The Basic Oxygen Furnace," Bell Journal of Economics, The RAND Corporation, vol. 13(1), pages 45-56, Spring. [Downloadable!] (restricted)
  5. Nickell, Stephen J, 1979. "Estimating the Probability of Leaving Unemployment," Econometrica, Econometric Society, vol. 47(5), pages 1249-66, September. [Downloadable!] (restricted)
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