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Improving Statistical Efficiency and Testing Robustness of Conjoint Marginal Valuations

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  • Michelle A. Haefele
  • John B. Loomis

Abstract

We investigate the effect of panelestimators and sample weighting to improve efficiency of coefficient estimates and confidence intervals on marginal values. Panel estimators are appropriate because most conjoint studies have respondents rate multiple product profiles. Using a random effects ordered probit model increases significance levels on two forest health attribute coefficients and results in substantial tightening of confidence intervals on marginal values. To mitigate the effects of low response rate, we weight the returned surveys using Census data to match the sample to the population. Two of the four marginal values from this weighted ordered probit model are substantially different. Copyright 2001, Oxford University Press.

Suggested Citation

  • Michelle A. Haefele & John B. Loomis, 2001. "Improving Statistical Efficiency and Testing Robustness of Conjoint Marginal Valuations," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(5), pages 1321-1327.
    • Handle: RePEc:oup:ajagec:v:83:y:2001:i:5:p:1321-1327
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    File URL: http://hdl.handle.net/10.1111/0002-9092.00285
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    RePEc Biblio mentions

    As found on the RePEc Biblio, the curated bibliography for Economics:
    1. > Environmental and Natural Resource Economics > Environmental Economics > Valuation > Choice experiments and conjoint analyses

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    Cited by:

    1. Lipeng Li & Apurbo Sarkar & Xi Zhou & Xiuling Ding & Hua Li, 2022. "Influence and Action Mechanisms of Governmental Relations Embeddedness for Fostering Green Production Demonstration Household: Evidence from Shaanxi, Sichuan, and Anhui Province, China," IJERPH, MDPI, vol. 19(19), pages 1-25, September.
    2. Johnston, Robert J. & Swallow, Stephen K. & Bauer, Dana Marie, 2002. "Stated Preferences And Length Of Residency In Rural Communities: Are Development And Conservation Values Heterogeneous?," 2002 Annual meeting, July 28-31, Long Beach, CA 19683, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    3. Pesek, John D., Jr. & Bernard, John C. & Gupta, Meeta, 2011. "Consumer Interest in Environmentally Beneficial Chicken Feeds: Comparing High Available Phosphorus Corn and Other Varieties," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 43(4), pages 1-15, August.
    4. Heenkenda, Shirantha, 2011. "Prospective Demand for an Index-Based Microinsurance in Sri Lanka," MPRA Paper 54420, University Library of Munich, Germany, revised Jul 2011.
    5. Mickael Bech & Dorte Gyrd‐Hansen & Trine Kjær & Jørgen Lauridsen & Jan Sørensen, 2007. "Graded pairs comparison ‐ does strength of preference matter? Analysis of preferences for specialised nurse home visits for pain management," Health Economics, John Wiley & Sons, Ltd., vol. 16(5), pages 513-529, May.

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