Survival of the unfittest: Why the worst infrastructure gets built and what can we do about it.

Flyvbjerg, Bent (2009) Survival of the unfittest: Why the worst infrastructure gets built and what can we do about it. Oxford Review of Economic Policy, 25 (3). pp. 344-367.

Abstract

The article first describes characteristics of major infrastructure projects. Second, it documents a much neglected topic in economics: that ex ante estimates of costs and benefits are often very different from actual ex post costs and benefits. For large infrastructure projects the consequences are cost overruns, benefit shortfalls, and the systematic underestimation of risks. Third, implications for cost–benefit analysis are described, including that such analysis is not to be trusted for major infrastructure projects. Fourth, the article uncovers the causes of this state of affairs in terms of perverse incentives that encourage promoters to underestimate costs and overestimate benefits in the business cases for their projects. But the projects that are made to look best on paper are the projects that amass the highest cost overruns and benefit shortfalls in reality. The article depicts this situation as ‘survival of the unfittest’. Fifth, the article sets out to explain how the problem may be solved, with a view to arriving at more efficient and more democratic projects, and avoiding the scandals that often accompany major infrastructure investments. Finally, the article identifies current trends in major infrastructure development. It is argued that a rapid increase in stimulus spending, combined with more investments in emerging economies, combined with more spending on information technology is catapulting infrastructure investment from the frying pan into the fire.

Item Type: Article
Additional Information: Listed as "Most Read" article on the journal's home page. Listed on SSRN's Top Ten Download List for Construction.
Keywords: Infrastructure; cost overruns; benefit shortfalls; cost benefit analysis; optimism bias; agency issues
Subject(s): Project management
Centre: BT Centre for Major Programme Management
Date Deposited: 11 Feb 2011 16:22
Last Modified: 23 Oct 2015 14:05
URI: http://eureka.sbs.ox.ac.uk/id/eprint/687

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