Accounting for risk aversion, income distribution and social welfare in cost‐benefit analysis for flood risk management
Bibliographic Data
| ID | 12929089 |
|---|---|
| Authors | Jarl Kind (0000-0002-5113-969X, Deltares, corresponding author), W J Wouter Botzen (0000-0002-8563-4963, Vrije Universiteit Amsterdam), Jeroen C J H Aerts (0000-0002-2162-5814, Vrije Universiteit Amsterdam) |
| Year | 2016 |
| Volume | 8 |
| Issue | 2 |
| Publication date | 2016-12-09 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Wiley Interdisciplinary Reviews Climate Change (JOURNAL) |
| Journal identifiers | ISSN: 1757-7780 • E-ISSN: 1757-7799 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/wcc.446 |
| OpenAlex | W2566537788 |
| Language | EN |
| Citations received | 19 |
| References cited | 49 |
Most cost‐benefit analysis ( CBA ) textbooks and guidelines recognize the objective of CBAs to improve social welfare—a function of well‐being of all individuals, conceptualized by utility. However, today's common practice to value flood risk management benefits as the reduction of the expected annual damages does not comply with this concept of social welfare, since it erroneously focuses on money instead of well‐being (utility). Diminishing marginal utility of money implies that risk aversion and income differences should be taken into account while calculating the social welfare benefits of flood risk management. This is especially important when social vulnerability is high, damage compensation is incomplete and the distribution of income is regarded as unfair and income is not redistributed in other ways. Disagreement, misconception, complexity, untrained professionals, political economy and failing guidance are potential reasons why these concepts are not being applied. Compared to the common practice, a theoretically more sound social welfare approach to CBA for flood risk management leads to different conclusions on who to target, what to do, how much to invest and how to share risks, with increased emphasis on resiliency measures for population segments with low income and high social vulnerability. The social welfare approach to CBA , illustrated in this study in the context of floods, can be applied to other climate risks as well, such as storms, droughts, and landslides. WIREs Clim Change 2017, 8:e446. doi: 10.1002/wcc.446 This article is categorized under: Climate Economics > Iterative Risk‐Management Policy Portfolios
Actuarial science · Context (archaeology · Damages · Economics · Expected utility hypothesis · Flood myth · Geography · Political science · Population · Public economics · Risk aversion (psychology · Risk management · Social Welfare · Social welfare function · Sociology · Vulnerability (computing · Welfare · Flood Risk Assessment and Management · Hydrology and Drought Analysis · Water resources management and optimization · Finance
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| Unique citing works | 19 |
|---|---|
| Citations per year | 2.71 |
| Citation span | 2019 - 2025 (7) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 19 |