Joshua Lewis

Joshua Lewis
  • Doctoral Candidate

Contact Information

  • office Address:

    527.2 Jon M. Huntsman Hall
    3730 Walnut Street
    Philadelphia, PA 19104

Research Interests: judgment and decision making, consumer behavior

Links: CV

Overview

Joshua Lewis is a third-year doctoral student in the Decision Processes group. He studies judgment and decision making, with a consumer behavior bent.

Joshua’s primary stream of researcher concerns estimation biases such as anchoring. For example, he researches how a reluctance to make extreme estimates exacerbates anchoring biases (Lewis, Gaertig & Simmons, working paper); how to optimize the extremity of anchors to maximize consumer valuations (Lewis & Green, working paper); and how the framing of an estimation task influences what information people use for their estimate (Lewis & Simmons, working paper).

As well as estimation biases, Joshua researches how forgone options act as reference points (Green & Lewis, working paper); how and when providing charitable donors with cost effectiveness information worsens their donation decisions (Lewis & Small, working paper); and how the best strategies to maintain trust depend upon relationship type (Lewis, Levine & Schweitzer, working paper).

Joshua was born and raised in the UK. Before joining Wharton, he worked in London as a fixed income analyst for Henderson Global Investors. He also completed a bachelor’s degree in Economics from the University of Warwick, and worked as a researcher for the Warwick Policy Lab.

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