Portrait of Johanna Posch

Johanna Posch : Senior Consultant

Johanna is a member of Oxera’s Competition team. She specialises in the application of economic principles, data analysis and statistical methods to competition matters and complex litigations. Johanna has advised clients in merger reviews across a range of industries and jurisdictions and has provided support in the assessment of damages resulting from breaches of competition law. She also has considerable experience working on various types of litigations and investigations involving digital platforms and technology companies, as well as labour and employment issues.

Prior to joining Oxera, Johanna worked as a consultant at another leading international economics consulting firm. She holds a PhD in Economics from the European University Institute, and her research has been published in several well-regarded academic journals.

Johanna speaks English, and German.

Tel: +44 2037 641753

Johanna's specialisms include:

professional experience

  • Supported an academic expert analysing the online marketplace business model in an intellectual property-related litigation in the USA (2023)

  • Supported an expert report evaluating damages in a wrongful death claim (2023)

  • Supported an academic expert in the analysis of the business model of a social media platform, and the effect of fake and spam accounts on its revenue model (2022)

  • Submitted an expert report quantifying the lost earnings of a Holocaust survivor (2022)

  • Advised claimants in several follow-on cartel damages litigations in Germany (2021–23)

  • Supported two expert reports on the impact of occupational licensing on competition (2021–22)


  • Kleven, H., Landais, C., Posch, J., Steinhauer, A. and Zweimüller, J. (forthcoming), ‘Do family policies reduce gender inequality? Evidence from 60 years of policy experimentation’, American Economic Journal: Economic Policy.

  • Pinheiro, L., Faye, A., Ginn, M., Lehmann, J. and Posch, J. (2023), ‘Gender Considerations in the Analysis of Market Definition and Competitive Effects: A Practical Framework and Illustrative Example’, Antitrust Report, August.

  • Boeri, T., Ichino, A., Moretti, E. and Posch, J. (2021), ‘Wage equalization and regional misallocation: evidence from Italian and German provinces’, Journal of the European Economic Association, 19:6, 3249–92.

  • Kleven, H., Landais, C., Posch, J., Steinhauer, A. and Zweimüller, J. (2019), ‘Child penalties across countries: Evidence and explanations’, AEA Papers and Proceedings, 109, pp. 122–26.


  • PhD Economics, European University Institute, Italy

  • MSc Economics, Universitat Pompeu Fabra, Spain

  • BA Economics, University of Vienna, Austria