Household versus individual valuation: what’s the difference?
Standard practice in stated preference typically blurs the distinction between household and individual responses, but without a clear theoretical or empirical justification for this approach. To date there have been no empirical tests of whether values for say a two adult household elicited by interviewing one randomly selected adult are the same as the values generated by interviewing both adults simultaneously. Using cohabiting couples, we conduct a choice experiment field study valuing reductions in dietary health risks. In one treatment a random individual is chosen from the couple and interviewed alone; in the other treatment, both partners are questioned jointly. We find significant differences in household values calculated from joint as opposed to individual responses, with further variation between the values elicited from men and women. Our results question the assumption, implicit in common practice, that differences between individually and jointly elicited estimates of household values can effectively be ignored.
|Date of creation:||Feb 2006|
|Date of revision:||Feb 2006|
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References listed on IDEAS
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DELTA Working Papers
94-17, DELTA (Ecole normale supérieure).
- Chiappori, Pierre-Andre & Haddad, Lawrence & Hoddinott, John & Kanbur, Ravi, 1993. "Unitary versus collective models of the household : time to shift theburden of proof?," Policy Research Working Paper Series 1217, The World Bank.
- Donna Dosman & Wiktor Adamowicz, 2006. "Combining Stated and Revealed Preference Data to Construct an Empirical Examination of Intrahousehold Bargaining," Review of Economics of the Household, Springer, vol. 4(1), pages 15-34, 03.
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- David Hensher & Nina Shore & Kenneth Train, 2005. "Households’ Willingness to Pay for Water Service Attributes," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 32(4), pages 509-531, December.
- Dupont, Diane P., 2004. "Do children matter? An examination of gender differences in environmental valuation," Ecological Economics, Elsevier, vol. 49(3), pages 273-286, July.
- John Quiggin, 1998. "Individual and Household Willingness to Pay for Public Goods," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 80(1), pages 58-63.
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