Hypothetical Bias Mitigation in Choice Experiments: Effectiveness of Cheap Talk and Honesty Priming Fade with Repeated Choices

49 Pages Posted: 2 Dec 2015

See all articles by Gregory Howard

Gregory Howard

East Carolina University - Department of Economics

Brian E. Roe

Ohio State University (OSU) - Department of Agricultural, Environmental & Development Economics

Erik C. Nisbet

Ohio State University (OSU)

Jay Martin

Ohio State University (OSU)

Date Written: November 2015

Abstract

We design a choice experiment comparing policies that reduce agricultural nutrient pollution and harmful algal blooms in Lake Erie and administer it to Ohio residents using an online survey panel. We compare two treatments that have been found to mitigate hypothetical bias, cheap talk and honesty priming. We find greater sensitivity to price among respondents during choices made immediately following the cheap talk intervention. As additional choices are made, price sensitivity diminishes and eventually matches that of respondents in the control treatment. We find this effect in both our online choice experiments and among respondents to face-to-face choice experiments conducted by de-Magistris, Gracia and Nayga (2013, DNG). Our online implementation of an honesty priming intervention yields no significant change in price sensitivity compared to a control. While DGN (2013) implement an honesty priming intervention that fully mitigates hypothetical bias in a face-to-face setting, we show this effect is also transient, and in later choice exercises we cannot reject the null hypothesis of equality between honesty priming and the control. Our results suggest additional work is required to adapt priming interventions for online settings and to extend the effectiveness of popular hypothetical bias mitigation techniques when respondents face multiple choice tasks.

Keywords: Cheap Talk; Honesty Priming; Choice Experiment; Lake Erie

JEL Classification: C25; Q18; Q26

Suggested Citation

Howard, Gregory and Roe, Brian E. and Nisbet, Erik C. and Martin, Jay, Hypothetical Bias Mitigation in Choice Experiments: Effectiveness of Cheap Talk and Honesty Priming Fade with Repeated Choices (November 2015). Available at SSRN: https://ssrn.com/abstract=2697573 or http://dx.doi.org/10.2139/ssrn.2697573

Gregory Howard (Contact Author)

East Carolina University - Department of Economics ( email )

Brewster Building
Greenville, NC 27858
United States

Brian E. Roe

Ohio State University (OSU) - Department of Agricultural, Environmental & Development Economics ( email )

2120 Fyffe Rd
Columbus, OH 43210-1067
United States
614-688-5777 (Phone)

HOME PAGE: http://https://aede.osu.edu/our-people/brian-e-roe

Erik C. Nisbet

Ohio State University (OSU) ( email )

Blankenship Hall-2010
901 Woody Hayes Drive
Columbus, OH OH 43210
United States

Jay Martin

Ohio State University (OSU)

Blankenship Hall-2010
901 Woody Hayes Drive
Columbus, OH OH 43210
United States

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