Ongoing work and publications

Under submission and work in progress

• Taxing Bequests and the Evolution of Wealth Inequality -- The case of Germany
• (with Sarah Tran-Huu) How to Optimally Train Emotional and Social Skills (background)
• Stress and Coping: An Economic Approach
  • Slides (regular and short talk)
  • Web appendix

Articles (post-pandemic)

• (with Matthias Birkner and Niklas Scheuer) The dynamics of Pareto distributed wealth in a small open economy. Forthcoming Economic Theory
• (with Hoang Khieu) Capital Income Risk and the Dynamics of the Wealth Distribution Economic Modelling (2023)
  • • Slides (long version)/ Slides (short version)
    • web appendix
    • Matlab code
    • Nagel, T. (2013) Background to method of characteristics
• (with Kai Pastor, Thorsten Schank and Olga Troitschanskaia) A practical approach to overcoming biases in comparing student performance in higher education, Assessment & Evaluation in Higher Education (2022)

Covid-19 research

• (with Marc Diederichs, Peter G. Kremsner, Timo Mitze, Gernot J. Müller, Dominik Papies, Felix Schulz) Is large-scale rapid CoV-2 testing a substitute for lockdowns? PLOS ONE (March 2022)
• (with Marc Diederichs, Timo Mitze, and Felix Schulz) Testing & Opening in Augustusburg: A Success Story? medRxiv (2021): 1-22, doi: 10.1101/2021.06.16.21258869
• On the testing bias in CoV-2 statistics
  • How to remove the testing bias in CoV-2 statistics
    • Slides of the talk
    • Video of the talk
  • Testet auf CoV‐2, zählt Covid‐19, GSME Discussion Paper 2023 (German abbreviated version)
  • Bitte korrigiert die Testverzerrung in SARS-CoV-2 Infektionszahlen (Zusammenfassung auf Ökonomenstimme)
• (with Timo Mitze, Reinhold Kosfeld and Johannes Rode) The Covid‐19 containment effects of public health measures ‐ A spatial difference‐in‐differences approach Journal of Regional Science (2021), doi: 10.1111/jors.12536
• (with Timo Mitze, Reinhold Kosfeld and Johannes Rode) Face Masks Considerably Reduce Covid‐19 Cases in Germany. Proceedings of the National Academy of Science (PNAS), December 3, 2020
  • corresponding Excel file and appendix
  • Summary in German
  • Summary in English
• (with Jean Roch Donsimoni, René Glawion, Bodo Plachter and Constantin Weiser) Should Contact Bans Have Been Lifted More in Germany? A Quantitative Prediction of Its Effects CESifo Economic Studies 66 (2020): 115-133
• (with Jean Roch Donsimoni, René Glawion, Tobias Hartl, Bodo Plachter, Jens Timmer, Enzo Weber and Constantin Weiser) Covid-19 in Deutschland – Erklärung, Prognose und Einfluss gesundheitspolitischer Maßnahmen, Perspektiven der Wirtschaftspolitik (2020)
• (with Jean Roch Donsimoni, René Glawion and Bodo Plachter) Projecting the spread of COVID-19 for Germany, German Economic Review 21 (2020): 181–216
  • matlab code now available
• (with Jean Roch Donsimoni, René Glawion and Bodo Plachter) Projektion der COVID-19-Epidemie in Deutschland. Wirtschaftsdienst 4 (2020): 272–276
• (with Tobias  Hartl and Enzo Weber) Measuring the impact of the German public shutdown on the spread of Covid-19 Covid Economics: Vetted and Real-Time Papers: 1 (2020): 25-32
  • see related VOX column

Articles (pre-pandemic, selection)

For a full list of economic research, please go to repec or to ORCID for a full list.

• (with Christian Bayer and Alan D. Rendall)  The Invariant Distribution of Wealth and Employment Status in a Small Open Economy with Precautionary Savings, Journal of Mathematical Economics 85 (2019): 17-37
  • web appendix
• (with Agnes Moors) Current Emotion Research in Economics. Invited survey paper for Emotion Review 9 (2017): 271-278
  • Emotion Research in Economics (longer and more formal version), CESifo Working Paper 5982
  • Lecture
• (with Andrey Launov) The Employment Effect of Reforming a Public Employment Agency. European Economic Review 84 (2016): 140-164
  • Matlab code for numerical solutions (zip file). See _Read_Me.txt in zip file for how to use the code
  • Slides
  • Press coverage Frankfurter Rundschau

• (with Andrey Launov) Estimating Incentive and Welfare Effects of Non-Stationary Unemployment Benefits International Economic Review 54 (2013): 1159-1198
  • Referee and web appendix
  • Matlab code for estimation and numerical solution (zip file). See ReadMe.txt in zip file for how to use the code
  • Numerical Solution of Volterra Equations resulting from Semi-Markov setup (ch. 4 of Irene Schumm's dissertation)
  • Slides
  • Media coverage (selection): Neues Deutschland, MBO Verlag (Aktuelle Nachrichten), Berliner Zeitung, Frankfurter Rundschau, Kölner Stadtanzeiger, e! Science News

• (with Alejandro Donado) How Trade Unions Increase Welfare. Economic Journal 122 No. 563 (2012): 990 - 1009
  • Trade union data and figures (1880 to 2008, selected OECD countries)
  • Press and blog coverage (selection): LSE blog, Hans Böckler Stiftung - Böckler Impuls, DGB - Gegenblende

• (with Pia Weiß) International Competition, Downsizing and Wage Inequality. Journal of International Economics 73 (2007): 396 - 406. Complete discussion paper version with appendix

• (with Martin Bossmann and Christian Kleiber) Bequests, Taxation and the Distribution of Wealth in a General Equilibrium Model. Journal of Public Economics 91 (2007): 1247-1271. Final version with appendix

• Endogenous Growth Cycles. International Economic Review 46 (2005): 867 - 894. The appendix is here

• (with Paul Tang) International competition, growth and welfare. European Economic Review 45 (2001): 1439-1459. The appendix is here

• (with Cecilia García-Peñalosa) Efficiency and Equity Effects of Subsidies to Higher Education. Oxford Economic Papers 52, 4 (2000): 702-722. Reprinted in: Belfield C. R. and Levin H. M. (eds.), The Economics of Higher Education. Elgar Reference Collection. International Library of Critical Writings in Economics, vol. 165. Elgar (2003): 545-565

• A Model of Creative Destruction with Undiversifiable Risk and Optimising Households. Economic Journal 109 No. 454 (1999): C156 - C171. The appendix is here

• Optimal Saving under Poisson Uncertainty. Journal of Economic Theory 87, (1999): 194-217

Other papers

• (with Thomas Rothe) Where Did All the Unemployed Go? Non-standard work in Germany after the Hartz reforms

• (with Alejandro Donado) How Bad is Globalization for Labour Standards in the North?
  • Matlab code for numerical solution (zip file)
  • Data used for calibration

• (with Christian Bayer) The Dynamics of Distributions in Continuous-Time Stochastic Models, 2015

• The twin-problem in numerical solutions of continuous-time Bellman equations, 2010

• (with Christian Bayer) Matching and Saving in Continuous Time: Theory (long version), 2009