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DfT home    Policy, guidance and research    Economics and appraisal    Research and development of guidance    Wider economic benefits in transport appraisal    Theory

The Additionality of Wider Economic Benefits in Transport Appraisal

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Table of contents

  • A. Introduction
  • The Wider Economic Benefits:
  • B. Agglomeration
  • Additionality to conventional appraisal
  • Estimating the additional benefit
  • C. Additionality of Increased Output in Imperfectly Competitive Markets
  • Additionality to conventional appraisal
  • Additionality to agglomeration
  • D. Additionality of Labour Supply and the Move to More Productive Jobs Impacts
  • Additionality to conventional appraisal
  • Additionality to agglomeration
  • E. Conclusion
  • Annex A - The validity of applying densities derived on one type of effective density variable to changes in a different variable
  • References

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  • Usability Review of DfT’s 2005 WEBs Discussion Paper
  • Wider Economic Benefits in Transport Appraisal - Summary of the DfT July 2007 Seminar
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