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The value of informal care-a further investigation of the feasibility of contingent valuation in informal caregivers

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  • Claudine de Meijer
  • Werner Brouwer
  • Marc Koopmanschap
  • Bernard van den Berg

    (VU University, Department of Health Sciences, Amsterdam, The Netherlands)

  • Job van Exel

Abstract

Including informal care in economic evaluations is increasingly advocated but problematic. We investigated three well-known concerns regarding contingent valuation (CV): (1) the item non-response of CV values, (2) the sensitivity of CV values to the individual circumstances of caring, and (3) the choice of valuation method by comparing willingness-to-pay (WTP) and willingness-to-accept (WTA) values for a hypothetical marginal change in hours of informal care currently provided. The study sample consisted of 1453 caregivers and 787 care recipients. Of the caregivers, 603 caregivers (41.5%) provided both WTP and WTA values, 983 (67.7%) provided at least one. Determinants of non-response were dependent on the valuation method; primary determinants were education and satisfaction with amount of informal care provided. Caregivers' mean WTP (WTA) for reducing (increasing) informal care by 1 h was €9.13 (10.52). Care recipients' mean WTA (WTP) for reducing (increasing) informal care by 1 h was €8.88 (€6.85). Values were associated with a variety of characteristics of the caregiving situation; explanatory variables differed between WTP and WTA valuations. The differences between WTP and WTA valuations were small. Based on sensitivity CV appears to be a useful method to value informal care for use in economic evalations, non-response, however, remains a matter of concern. Copyright © 2009 John Wiley & Sons, Ltd.

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File URL: http://hdl.handle.net/10.1002/hec.1513
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Bibliographic Info

Article provided by John Wiley & Sons, Ltd. in its journal Health Economics.

Volume (Year): 19 (2010)
Issue (Month): 7 ()
Pages: 755-771

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Handle: RePEc:wly:hlthec:v:19:y:2010:i:7:p:755-771

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Web page: http://www3.interscience.wiley.com/cgi-bin/jhome/5749

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References

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  1. Bernard van den Berg & Han Bleichrodt & Louis Eeckhoudt, 2005. "The economic value of informal care: a study of informal caregivers' and patients' willingness to pay and willingness to accept for informal care," Health Economics, John Wiley & Sons, Ltd., vol. 14(4), pages 363-376.
  2. Amos Tversky & Daniel Kahneman, 1979. "Prospect Theory: An Analysis of Decision under Risk," Levine's Working Paper Archive 7656, David K. Levine.
  3. Brouwer, Werner B.F. & Exel, N. Job A. van & Berg, Bernard van den & Bos, Geertruidis A.M. van den & Koopmanschap, Marc A., 2005. "Process utility from providing informal care: the benefit of caring," Health Policy, Elsevier, vol. 74(1), pages 85-99, September.
  4. Blumenschein, Karen & Johannesson, Magnus & Yokoyama, Krista K. & Freeman, Patricia R., 2001. "Hypothetical versus real willingness to pay in the health care sector: results from a field experiment," Journal of Health Economics, Elsevier, vol. 20(3), pages 441-457, May.
  5. Exel, Job van & Graaf, Gjalt de & Brouwer, Werner, 2007. "Care for a break? An investigation of informal caregivers' attitudes toward respite care using Q-methodology," Health Policy, Elsevier, vol. 83(2-3), pages 332-342, October.
  6. Drummond, Michael F. & Sculpher, Mark J. & Torrance, George W. & O'Brien, Bernie J. & Stoddart, Greg L., 2005. "Methods for the Economic Evaluation of Health Care Programmes," OUP Catalogue, Oxford University Press, edition 3, number 9780198529453.
  7. Johannesson, Magnus & Jonsson, Bengt, 1991. "Economic evaluation in health care: Is there a role for cost-benefit analysis?," Health Policy, Elsevier, vol. 17(1), pages 1-23, February.
  8. Bernard van denBerg & Werner Brouwer & Job van Exel & Marc Koopmanschap, 2005. "Economic valuation of informal care: the contingent valuation method applied to informal caregiving," Health Economics, John Wiley & Sons, Ltd., vol. 14(2), pages 169-183.
  9. Richard D. Smith, 2003. "Construction of the contingent valuation market in health care:a critical assessment," Health Economics, John Wiley & Sons, Ltd., vol. 12(8), pages 609-628.
  10. van den Berg, Bernard & Brouwer, Werner & van Exel, Job & Koopmanschap, Marc & van den Bos, Geertrudis A.M. & Rutten, Frans, 2006. "Economic valuation of informal care: Lessons from the application of the opportunity costs and proxy good methods," Social Science & Medicine, Elsevier, vol. 62(4), pages 835-845, February.
  11. van den Berg, Bernard & Al, Maiwenn & Brouwer, Werner & van Exel, Job & Koopmanschap, Marc, 2005. "Economic valuation of informal care: The conjoint measurement method applied to informal caregiving," Social Science & Medicine, Elsevier, vol. 61(6), pages 1342-1355, September.
  12. Bernard Berg & Werner Brouwer & Marc Koopmanschap, 2004. "Economic valuation of informal care," The European Journal of Health Economics, Springer, vol. 5(1), pages 36-45, February.
  13. Brown, Thomas C. & Gregory, Robin, 1999. "Why the WTA-WTP disparity matters," Ecological Economics, Elsevier, vol. 28(3), pages 323-335, March.
  14. Bernard van den Berg & Ada Ferrer-i-Carbonell, 2007. "Monetary valuation of informal care: the well-being valuation method," Health Economics, John Wiley & Sons, Ltd., vol. 16(11), pages 1227-1244.
  15. Cookson, Richard, 2000. "Incorporating psycho-social considerations into health valuation: an experimental study," Journal of Health Economics, Elsevier, vol. 19(3), pages 369-401, May.
  16. Marc A. Koopmanschap & N. Job A. van Exel & Bernard van den Berg & Werner B.F. Brouwer, 2008. "An Overview of Methods and Applications to Value Informal Care in Economic Evaluations of Healthcare," PharmacoEconomics, Springer Healthcare | Adis, vol. 26(4), pages 269-280.
  17. Bromley, Daniel W., 1995. "Property rights and natural resource damage assessments," Ecological Economics, Elsevier, vol. 14(2), pages 129-135, August.
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Cited by:
  1. Konstantin Kehl & Stephan Stahlschmidt, 2013. "A new perspective on the economic valuation of informal caare: The well-being approach revisited," SFB 649 Discussion Papers SFB649DP2013-035, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
  2. Emmanouil Mentzakis & Paul McNamee & Mandy Ryan & Matthew Sutton, 2012. "Valuing Informal Care Experience: Does Choice of Measure Matter?," Social Indicators Research, Springer, vol. 108(1), pages 169-184, August.
  3. Alain Paraponaris & Bérengère Davin & Pierre Verger, 2012. "Formal and informal care for disabled elderly living in the community: an appraisal of French care composition and costs," The European Journal of Health Economics, Springer, vol. 13(3), pages 327-336, June.

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