Difference between revisions of "Value of a life year (VOLY)"

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[[Category:Costs and valuations]]
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[[Category: CLAIH]]
 
{{variable|moderator = Virpi Kollanus}}
 
{{variable|moderator = Virpi Kollanus}}
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[[Category: CLAIH]]
 
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'''Boxes with dashed borders''' contain brief guidance text for completing the entries for new variables.
 
  
 
== Scope ==
 
== Scope ==
  
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This includes a verbal definition of the spatial, temporal, and other limits
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What is the monetary value of a statistical life year derived from studies on societal willingness to pay (WTP) for mortality risk reductions?
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(system boundaries) of the variable. The scope is defined according to the use
 
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purpose of the assessment(s) that the variable belongs to.
 
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Monetary value of a statistical life year derived from studies on societal willingness to pay (WTP) for mortality risk reductions.
 
  
 
== Definition ==
 
== Definition ==
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=== Data ===
 
=== Data ===
  
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Description of the data used for obtaining the value of the variable
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'''ExternE 2005 <ref>[http://www.externe.info/brussels/methup05a.pdf European Commission 2005. ExternE, Externalities of Energy, Methodology 2005 Update. Bickel P & Friedrich R (Eds.)]</ref>
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(e.g. measurement data; mathematical method and its parameters).
 
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Please include references (preferably using the ''<nowiki><ref></ref></nowiki>'' tags)
 
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and links to original data, as appropriate.
 
  
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'''ExternE 2005 <ref>[[http://www.externe.info/brussels/methup05a.pdf European Commission 2005. ExternE, Externalities of Energy, Methodology 2005 Update. Bickel P & Friedrich R (Eds.)]]</ref>
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Results are based on a contingent valuation study (NewExt) on changes in life-expectancy conducted simultaneously in France, UK, and Italy. The objective of the study was to derive monetary unit value for the incidence of premature death resulting from air pollution in Europe. The survey protocol included people over the age of 40, with 1/3 of these above the age of 60.
  
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Results are based on a contingent valuation study on changes in life-expectancy conducted in France, UK, and Italy.
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*Chronic exposure mortality impacts (death after 10 years of exposure, 3% discount rate applied)
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*Chronic mortality impacts (death after 10 years of exposure, 3% discount rate applied)
 
 
**Upper bound: €151 110
 
**Upper bound: €151 110
 
**Mean: €125 250
 
**Mean: €125 250
 
**Median: €55 800 (rounded to €50 000, '''''recommended central estimate''''')
 
**Median: €55 800 (rounded to €50 000, '''''recommended central estimate''''')
 
**Lower bound: €18 250
 
**Lower bound: €18 250
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*Acute mortality impacts (immediate death, assumed that the victim's health condition is not a factor in WTP, no discount applied)
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*Acute exposure mortality impacts (immediate death, assumed that the victim's health condition is not a factor in WTP, no discount applied)
 
**Upper bound: €225 000
 
**Upper bound: €225 000
 
**Median: €75 000
 
**Median: €75 000
 
**Lower bound: €27 240
 
**Lower bound: €27 240
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*a Weibull distribution is assumed, as it had the best fit
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*A Weibull distribution is assumed because it had the best fit to the data
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*Upper and lower bounds are considerably less robust than the central estimates
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'''Values used in CAFE CBA 2005 <ref>[http://ec.europa.eu/environment/archives/air/cafe/pdf/cba_methodology_vol2.pdf Service Contract for Carrying out Cost-Benefit Analysis of Air Quality Related Issues, in particular in the Clean Air for Europe (CAFE) Programme. Volume 2: Health Impact Assessment. AEA Technology Environment, 2005.]</ref>
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Values are based on the NewExt study, price year 2000
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*Chronic exposure mortality impacts
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**Median: €52 000
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**Mean: €120 000
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'''NEEDS 2006 <ref>[http://www.needs-project.org/docs/results/RS1b/NEEDS_RS1b_D6.7.pdf Desaigues et al. 2006. Final report on the monetary valuation of mortality and morbidity risks from air pollution. Ned Energy Externalities Developments for Sustainability (NEEDS). Sixth framework programme, Project no: 502687.]</ref>
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Recommended mean VOLY estimates for Europe:
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*EU15 + Switzerland €41 000
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*New member countries €33 000
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*EU25 €40 000
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'''Desaigues et al. 2011<ref>Desaigues et al. 2011. Economic valuation of air pollution mortality: A 9-country contingent valuation survey of value of a life year (VOLY). Ecological Indicators 11, 902-910.</ref>:
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*Contingent valuation study on the monetary value of a life year in EU in the air pollution context.
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*The result is based on a survay conducted in 9 European countries: France, Spain, UK, Denmark, Germany, Switzerland, Czech Republic, Hungary, and Poland.
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*Recommended VOLY estimate for cost-benefit analysis of air pollution policies for the European Union is 40 000 €.
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*Suggested confidence interval: lower limit 25 000 €, upper limit 100 000 €.
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=== Causality ===
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=== Dependencies ===
  
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List of upstream variables.
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VOLY is expected to vary from country to country due to income levels and cultural valuations.
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The variables can be listed used descriptive (free-format) names or unambiguous identifiers
 
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(e.g. [[Analytica]] IDs).
 
  
 
=== Unit ===
 
=== Unit ===
  
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Unit in which the result is expressed.
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euro/one statistical life year
  
 
=== Formula ===
 
=== Formula ===
  
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Algebra or other explicit methods if possible
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A rough compilation is done of the above-mentioned ranges.
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(e.g. [[Analytica]] code between the <nowiki>''<anacode></anacode>''</nowiki> delimiters).
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Stepwise uniform: (cumulative probabilities 0, 0.05, 0.25, 0.5, 0.75, 0.95, 1)(18250, 27240, 41000, 52000, 75000, 125250, 151110)
  
 
== Result ==
 
== Result ==
  
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If possible, a numerical expression or distribution.
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{{resultlink}}
  
 
==See also==
 
==See also==
  
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Links to relevant information that does not belong to ''Definition''.
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* [[DALY to money conversion]]
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==Keywords==
  
 
==References==
 
==References==
  
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Will appear here automatically, if cited above using the ''<nowiki><ref></ref></nowiki>'' tags.
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<references/>
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Additional references can also be listed here.
 
  
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<references/>
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==Related files==
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{{mfiles}}

Latest revision as of 13:23, 2 January 2012



Scope

What is the monetary value of a statistical life year derived from studies on societal willingness to pay (WTP) for mortality risk reductions?

Definition

Data

ExternE 2005 [1]

Results are based on a contingent valuation study (NewExt) on changes in life-expectancy conducted simultaneously in France, UK, and Italy. The objective of the study was to derive monetary unit value for the incidence of premature death resulting from air pollution in Europe. The survey protocol included people over the age of 40, with 1/3 of these above the age of 60.

  • Chronic exposure mortality impacts (death after 10 years of exposure, 3% discount rate applied)
    • Upper bound: €151 110
    • Mean: €125 250
    • Median: €55 800 (rounded to €50 000, recommended central estimate)
    • Lower bound: €18 250
  • Acute exposure mortality impacts (immediate death, assumed that the victim's health condition is not a factor in WTP, no discount applied)
    • Upper bound: €225 000
    • Median: €75 000
    • Lower bound: €27 240
  • A Weibull distribution is assumed because it had the best fit to the data
  • Upper and lower bounds are considerably less robust than the central estimates


Values used in CAFE CBA 2005 [2]

Values are based on the NewExt study, price year 2000

  • Chronic exposure mortality impacts
    • Median: €52 000
    • Mean: €120 000


NEEDS 2006 [3]

Recommended mean VOLY estimates for Europe:

  • EU15 + Switzerland €41 000
  • New member countries €33 000
  • EU25 €40 000


Desaigues et al. 2011[4]:

  • Contingent valuation study on the monetary value of a life year in EU in the air pollution context.
  • The result is based on a survay conducted in 9 European countries: France, Spain, UK, Denmark, Germany, Switzerland, Czech Republic, Hungary, and Poland.
  • Recommended VOLY estimate for cost-benefit analysis of air pollution policies for the European Union is 40 000 €.
  • Suggested confidence interval: lower limit 25 000 €, upper limit 100 000 €.


Dependencies

VOLY is expected to vary from country to country due to income levels and cultural valuations.

Unit

euro/one statistical life year

Formula

A rough compilation is done of the above-mentioned ranges.

Stepwise uniform: (cumulative probabilities 0, 0.05, 0.25, 0.5, 0.75, 0.95, 1)(18250, 27240, 41000, 52000, 75000, 125250, 151110)

Result

See also

Keywords

References

  1. ↑ European Commission 2005. ExternE, Externalities of Energy, Methodology 2005 Update. Bickel P & Friedrich R (Eds.)
  2. ↑ Service Contract for Carrying out Cost-Benefit Analysis of Air Quality Related Issues, in particular in the Clean Air for Europe (CAFE) Programme. Volume 2: Health Impact Assessment. AEA Technology Environment, 2005.
  3. ↑ Desaigues et al. 2006. Final report on the monetary valuation of mortality and morbidity risks from air pollution. Ned Energy Externalities Developments for Sustainability (NEEDS). Sixth framework programme, Project no: 502687.
  4. ↑ Desaigues et al. 2011. Economic valuation of air pollution mortality: A 9-country contingent valuation survey of value of a life year (VOLY). Ecological Indicators 11, 902-910.

Related files

<mfanonymousfilelist></mfanonymousfilelist>

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