Beyond the Golden Gate; oceanography, geology, biology and environmental issues in the Gulf of the Farallones

  • Karl H
  • Chin J
  • Ueber E
  • et al.
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Abstract

Cost–benefit analysis (CBA) for transport investments is particularly useful for situations where a large number of investments have to be ranked against each other. This study draws on experiences from the development of the Swedish National Transport Investment Plan 2010–21. We study how CBA results were used in the process of shaping the investment plan and what influence they had on investment decisions. In particular, we compare the planners’ rank- ings versus the politicians’ rankings. We find that planners’ rankings of investments are influenced by benefit–cost ratios (BCRs), in particular for low and moderate BCRs, while the politicians’ rank- ings are not. By interviewing planners about how CBA was used in the process, we clarify what role CBA actually played in the planning process. Wefind that not only did theCBAsplay a role in invest- ment selection, they also forced investment design to be more cost-efficient. Furthermore, we explore planners’ implicit valuations, as revealed by their investment selection, finding that freight benefits were implicitly valued higher and traffic safety lower than the officially recommended CBA weights. Finally,we identify the most important areas for improvement of CBA state-of-practice methodology.

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APA

Karl, H. A., Chin, J. L., Ueber, E., Stauffer, P. H., & Hendley II, J. W. (2001). Beyond the Golden Gate; oceanography, geology, biology and environmental issues in the Gulf of the Farallones. USGS Numbered Series (p. 78). Retrieved from https://pubs.er.usgs.gov/publication/cir1198

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