Jeronimo Callejas

Jeronimo Callejas

Economist at


I am an Economist at Amazon. I earned a Ph.D. in Resource Economics from the University of Massachusetts Amherst. I have a M.S. in Economic Analysis from the Barcelona Graduate School of Economics and a B.A. in Economics from the Pontificia Universidad Catolica del Ecuador. My research interest includes Quantitative Industrial Organization, Econometrics, Regulation, and Antitrust.

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  • Industrial Organization.
  • Econometrics.
  • Antitrust.
  • Computer Science.


  • Ph.D. in Resource Economics, 2022

    University of Massachusetts Amherst

  • Certificate in Statistical and Computational Data Science, 2020

    University of Massachusetts Amherst

  • M.S. Competition Policy and Market Regulation, 2014

    Barcelona Graduate School of Economics

  • B.A. in Economics, 2009

    Pontificia Universidad Catolica del Ecuador