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Experimental auctions, collective induction and choice shift: Willingness-to-pay for rice quality in Senegal

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  • Demont, Matty
  • Rutsaert, Pieter
  • Ndour, Maimouna
  • Verbeke, Wim
  • Seck, Papa Abdoulaye
  • Tollens, Eric

Abstract

We propose a collective induction treatment as an aggregator of information and preferences, which enables testing whether consumer preferences for food quality elicited through experimental auctions are robust to aggregation. We develop a two-stage estimation method based on social judgment scheme theory to identify the determinants of social influence in collective induction. Our method is tested in a market experiment aiming to assess consumers’ willingness-to-pay for rice quality in Senegal. No significant choice shift was observed after collective induction which suggests that consumer preferences for rice quality are robust to aggregation. Almost three quarters of social influence captured by the model and the variables was explained by social status, market expertise and information.

Suggested Citation

  • Demont, Matty & Rutsaert, Pieter & Ndour, Maimouna & Verbeke, Wim & Seck, Papa Abdoulaye & Tollens, Eric, 2012. "Experimental auctions, collective induction and choice shift: Willingness-to-pay for rice quality in Senegal," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126861, International Association of Agricultural Economists.
    • Handle: RePEc:ags:iaae12:126861
    DOI: 10.22004/ag.econ.126861
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    2. Kouyate, Carolin & von Cramon-Taubadel, Stephan & Fofana, Ismael, 2016. "Proximity and price co-movement in West African rice markets," African Journal of Agricultural and Resource Economics, African Association of Agricultural Economists, vol. 11(3).
    3. Uchenna Obih & Lloyd Baiyegunhi, 2018. "Financing Smallholder Rice Farmers: A Field-Based Evidence Review of Anchor Borrowers’ Programme (ABP) Model in Nigeria," Journal of Economics and Behavioral Studies, AMH International, vol. 10(6), pages 229-239.
    4. Murphy, David M. A., 2017. "Underground Knowledge: Soil Testing, Farmer Learning, and Input Demand in Kenya," 2017 Annual Meeting, July 30-August 1, Chicago, Illinois 258372, Agricultural and Applied Economics Association.

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