| Taxing the Digital Economy: Investor Reaction to the European Commission’s Digital Tax Proposals D Klein, C Ludwig, C Spengel National Tax Journal, forthcoming, 2021 | 37* | 2021 |
| Internal Digitalization and Tax-efficient Decision Making D Klein, C Ludwig, K Nicolay Kiel, Hamburg: ZBW-Leibniz Information Centre for Economics, 2021 | 9 | 2021 |
| Corporate Tax Policy in Developed Countries and Economic Activity in Africa JL Hoopes, D Klein, R Lester, M Olbert Available at SSRN 4254414, 2022 | 7 | 2022 |
| Die Kosten der globalen Mindeststeuer in Deutschland J Gaul, D Klein, JM Müller, A Pfrang, I Schulz, C Spengel, S Weck, ... ZEW policy brief, 2022 | 1 | 2022 |
| Significant costs, limited benefits: A global minimum tax in Germany J Gaul, D Klein, JM Müller, A Pfrang, I Schulz, C Spengel, S Weck, ... ZEW policy brief, 2022 | 1 | 2022 |
| Quantifying the OECD BEPS Indicators–An update to BEPS Action 11 D Klein, C Ludwig, K Nicolay, C Spengel ZEW-Centre for European Economic Research Discussion Paper, 2021 | 1 | 2021 |
| Die OECD-Vorschläge für eine weltweite Reform der Unternehmensbesteuerung–eine Wende zum Schlechten? L Fischer, D Klein, CA Ludwig, R Müller, C Spengel ZEW policy brief 2020, 2020 | 1 | 2020 |
| Foreign Aid through Domestic Tax Cuts? Evidence from Multinational Firm Presence in Developing Countries M Olbert, D Klein, J Hoopes, R Lester | | 2021 |
| EU should focus more on indirect taxes instead of proposals for a digital levy C Spengel, D Klein, C Ludwig, J Müller, R Müller, S Weck, S Winter ZEW policy brief, 2021 | | 2021 |
| Besteuerung digitaler Unternehmen–die schwierige Suche nach einem europäischen Ansatz D Klein, C Ludwig, C Spengel integration 43 (3), 169-185, 2020 | | 2020 |
