Evaluating Amazon effects and the limited impact of COVID-19 with purchases crowdsourced from US consumers

• Alex Berke ,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Software, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: aberke@mit.edu

  Affiliation MIT Media Lab, Massachusetts Institute of Technology, Massachusetts, United States of America

  https://orcid.org/0000-0001-5996-0557

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• Dana Calacci,

  Roles Methodology, Writing – review & editing

  Affiliation Penn State University, University Park, Pennsylvania, United States of America

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• Alex Pentland,

  Roles Funding acquisition, Supervision, Writing – review & editing

  Affiliations MIT Media Lab, Massachusetts Institute of Technology, Massachusetts, United States of America, HAI, Stanford University, Stanford, California, United States of America

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• Kent Larson

  Roles Funding acquisition, Supervision, Writing – review & editing

  Affiliation MIT Media Lab, Massachusetts Institute of Technology, Massachusetts, United States of America

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