Research profile
Research activities
My research examines how artificial intelligence, digital infrastructure, industrial policy and geoeconomic developments shape firms, workers, regions and transformation. A particular focus lies on European competitiveness, technological change and firm-level evidence from Germany.
Funding
Research grants
Firm-Level Analyses of Agglomeration Externalities, Knowledge Spillovers and Productivity Growth
European Market Integration and Determinants of German Firm Localisation
Peer-reviewed research
Publications
Male Excess Mortality during the Epidemiological Transition:
Theory and Evidence from India
With H. Strulik. Journal of Population Economics, 38, 67.
https://doi.org/10.1007/s00148-025-01124-0With H. Strulik. European Economic Review, 172, 104926.
https://doi.org/10.1016/j.euroecorev.2024.104926
Does Gender Matter for Export Behavior?
Evidence for German Companies
International Journal of Gender and Entrepreneurship .
https://doi.org/10.1108/IJGE-05-2024-0179The Annals of Regional Science.
https://doi.org/10.1007/s00168-023-01238-xWith H. Strulik. PLOS ONE, 18(7), e0287259.
https://doi.org/10.1371/journal.pone.0287259
Unsupervised Document Classification Integrating
Web Scraping, One-Class SVM and LDA Topic Modelling
With B. Säfken, A. Thielmann and C. Weisser. Journal of Applied Statistics, 50(3), 574–591.
https://doi.org/10.1080/02664763.2021.1919063With K. Prettner and H. Strulik. European Economic Review, 136, 103744.
https://doi.org/10.1016/j.euroecorev.2021.103744With H. Strulik. Economics & Human Biology, 43, 101067.
https://doi.org/10.1016/j.ehb.2021.101067With H. Strulik. Growth and Change, 52, 1200–1229.
With H. Strulik. German Economic Review, 22(3), 257–287.
With A. Thielmann and C. Weisser. In Studies in Computational Intelligence 981, Springer.
With R. Harris and J. Moffat. Journal of Common Market Studies, 59(3), 589–607.
- Knowledge and Earnings: A Regional Economic Analysis for the German Economy, 2015.
- European Market Integration, R&D Agglomeration Economies, and the Location Choice of Firms in Poland, 2015, with A. Gehringer, Eastern European Economics, 53, 491–513.
- Internationaler Handel, Institutionen und Agglomeration, 2014.
- Adjustment Dynamics of Countries’ Specialization Patterns in the European Union , 2014.
- Services Sectors’ Concentration and Countries’ Specialization Patterns in Services in the European Union , 2014.
- Services Sectors’ Concentration: The European Union and the New Economic Geography , 2013.
- Industrial and Services Sectors’ Agglomeration in the European Union, PhD dissertation, 2012.
- Earlier research on education, social background and returns to education, 2007–2008.
Current research
New working papers and work in progress
Healthy Life Expectancy for Individuals -- Decomposing Inequalities
With H. Strulik.
MICHELE: The Computation of Healthy Life Expectancy from Mortality Schedules
With H. Strulik.
Digital Infrastructure, Regional Disparities, and Firm Location Decisions in the German Economy
Comparing New Measures of Tech Talent: Global AI, Digital Infrastructure, and Innovation
With R. Dickens and J. O’Reilly.
What Drives the Location Choice of New Manufacturing Plants in Germany?
Detecting Industrial Clusters in Artificial Intelligence, Data Science, and Sustainability in Germany
With J. Laaguidi and X. Zhang.
Industrial Policies, Subsidies, and the Effects on Firm Performance
With S. Henkel and D. Gyetvai.
Energy Costs and Location Choices of European Firms
Scale Effects and Innovative Activities: Big Data Analyses and Evidence for AI Patents
With H. Strulik.
Digital Infrastructure, Innovation, and Economic Growth
With H. Strulik.
Regional Drivers of Firm-Level Productivity for German Upper Mittelstand Firms and Hidden Champions
The Impact of Regional Infrastructure for Firm-Level Trade and Productivity in a Regression Discontinuity Framework
Additional output
Other research work
Firm Heterogeneity, Productivity, and the Extensive Margins of Trade
Differences between manufacturing firms in East and West Germany.
A Macroeconomic Measure for Reshoring and a Note on the Offshoring–Reshoring Nexus
A Stata Code for Computing a Distance-Based Firm-Level Cluster Index
Archived projects