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Lennart Kraft

My interests comprise quantitative economics, online marketing, and consumer privacy. I research the interplay of privacy and profits in online advertising markets and the consequences of regulations, including privacy laws (e.g., GDPR), taxes (e.g., Digital Service Taxes), and industrial self-regulation (e.g., Differential Privacy). Methodologically, I build upon econometrics and machine learning in cross-sectional and longitudinal settings, often using extensive field data.

Affiliations:

  • Goethe University Frankfurt
  • Leibniz Institute for Financial Research SAFE
  • Working Group on Research Data Ethics at Committee for Data Access (FDI Committee)

Topics

  • Digital Economy
  • Differential Privacy
  • Privacy Laws
  • Data Value
  • Tracking, Profiling, and Targeting

Methods

  • Applied Econometrics
  • Predictive Machine Learning
  • Analytical Modelling
  • Textual Analysis
  • Process Automation

Skills

  • Data Analytics, Management, and Ethics
  • Computing via Python, R, and Stata
  • Statistics and Econometric Theory
  • Causality Identification
  • Economic Perspective on Data

Publications

2022

  • Skiera, Bernd / Miller, Klaus M. / Jin, Yuxi / Kraft, Lennart / Laub, René / Schmitt, Julia, “The Impact of the General Data Protection Regulation on the Online Advertising Market“, available under www.leanpub.com/gdpr-impact or read online under www.gdpr-impact.com

2021

2020

Selected Working Papers

  • Kraft, Lennart / Miller, Klaus M. / Skiera, Bernd, “Richness and Consistency of Consumer Profiles and Their Development over Time“, (Working Paper)
  • Kraft, Lennart, “Tax Revenue, Privacy, and Profits under Taxed Targeted Advertisements“, (Working Paper)
  • Kraft, Lennart, “Leveraging Differential Privacy for Targeted Advertisements“, (Working Paper)
  • Kraft, Lennart / Skiera, Bernd / Koschella, Tim, “Impact of Apple’s App Tracking Transparency Framework (ATT) on the Amount of Trackable Traffic“, (Working Paper)
  • Kraft, Lennart / Skiera, Bernd, “Use of Legal Basis under GDPR“, (Working Paper)

 

Contact

Lennart Kraft

lennart.kraft@wiwi.uni-frankfurt.de

Address

Raum 1.202 im RuW-Gebäude
Theodor-W.-Adorno-Platz 4
D-60323 Frankfurt am Main