I am a PhD candidate at Wharton researching consumer behavior. My research focuses on how cognitive biases influence consumer decision making. I aim to answer questions such as:
A list of my papers is below, and you can read more about my projects here.
My CV is available here.
You can email me at: firstname.lastname@example.org.
(updated September 2019)
Lewis, Joshua, Celia Gaertig, and Joseph P. Simmons (2019), “Extremeness Aversion Is a Cause of Anchoring,” Psychological Science, 30(2), 159–173.
Lewis, Joshua and Joseph P. Simmons, “Prospective Outcome Bias: Incurring (Unnecessary) Costs to Achieve Outcomes That Are Already Likely,” forthcoming at Journal of Experimental Psychology: General.
Lewis, Joshua and Deborah A. Small, “Ineffective Altruism: Giving Less When Donations Do More Good.”
Lewis, Joshua, Alex Rees-Jones, Uri Simonsohn, and Joseph P. Simmons, “Diminishing Sensitivity to Outcomes: What Prospect Theory Gets Wrong about Diminishing Sensitivity to Price.”
Lewis, Joshua and Joseph P. Simmons, “Anchors Alter the Direction of Adjustment - Not Just the Magnitude.”
Green, Etan A. and Joshua Lewis, “The Forgone-Option Fallacy.”
Green, Etan A., Joshua Lewis, and David Rothschild, “Barely Plausible Anchor Values Maximize Bias.”
Moore, Alexander, Joshua Lewis, Emma E. Levine, and Maurice E. Schweitzer, “Trusting Kind Friends and Fair Leaders: How Relationships Affect the Antecedents of Trust.”