Competing recombinant technologies for environmental innovation: Extending arthur's model of lock-in

Research output: Contribution to journalArticleResearchpeer-review

47 Citations (Scopus)


This article presents a model of sequential decisions about investments in environmentally dirty and clean technologies, which extends the path-dependence framework of B. Arthur (1989, Competing technologies, increasing returns, and lock-in by historical events, The Economic Journal, 99, pp. 116-131). This allows us to evaluate if and how an economy locked into a dirty technology can be unlocked and move towards clean technology. The main extension involves the inclusion of the effect of recombinant innovation of the two technologies. A mechanism of endogenous competition is described involving a positive externality of increasing returns to investment which are counterbalanced by recombinant innovation. We determine conditions under which lock-in can be avoided or escaped. A second extension is "symmetry breaking" of the system due to the introduction of an environmental policy that charges a price for polluting. A final extension adds a cost of environmental policy in the form of lower returns on investment implemented through a growth-depressing factor. We compare cumulative pollution under different scenarios, so that we can evaluate the combination of environmental regulation and recombinant innovation. © 2011 Taylor & Francis.
Original languageEnglish
Pages (from-to)317-334
JournalIndustry and Innovation
Issue number3
Publication statusPublished - 1 Jan 2011


  • Externalities
  • Hybrid technology
  • Lock-in
  • R&D
  • Sequential decisions


Dive into the research topics of 'Competing recombinant technologies for environmental innovation: Extending arthur's model of lock-in'. Together they form a unique fingerprint.

Cite this