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Refereed essays Web of Science
Germany’s energy transition relies on variable renewables and electricity use across sectors, and it needs to accelerate. We argue that consistent policy commitments to proven technologies, such as wind and solar power, heat pumps and electric cars are needed.
In:
Communications Earth & Environment
6 (2025), 859, 5 S.
| Wolf-Peter Schill, Adeline Guéret, Alexander Roth, Felix Schmidt
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Brown Bag Seminar Industrial Economics
Access to information is vital to physicians who make critical treatment decisions that shape patients' lives. Although formal channels, such as professional training, medical databases, and clinical guidelines, are well-documented, little is known about informal learning, in which physicians acquire knowledge from peers or patients. In this paper, I study how patients act as carriers of clinical...
03.12.2025| Temulun Borjigen, DIW Berlin
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Cluster-Seminar Öffentliche Finanzen und Lebenslagen
We show that personal experiences affect high-stakes economic decisions among inventors. Using matched patent and survey data from French and German inventors linked to natural disaster records, we exploit exogenous variation in disaster exposure. Inventors personally affected by natural disasters subsequently produce 8.2 percent more green patents, primarily driven by emission-reducing mitigation...
10.12.2025| Marten Ritterrath, University of Cologne
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Cluster-Seminar Öffentliche Finanzen und Lebenslagen
Most women reduce their labor supply after childbirth. When children become older, most women spend less time on women spend less time on childcare activities. Yet, female labor supply recovers little as children age and part-time work remains common among mothers of older children. Understanding the motivation behind labor supply choices of women with older children is crucial to design effective...
17.12.2025| Mareen Bastiaans, European University Viadrina
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Research Project
To address persistent data limitations in entrepreneurship research, the SOEP-LEE2 project is being implemented in cooperation with the Socio-Economic Panel (SOEP) and the Helmut Schmidt University (HSU). The project aims to create a unique linked data infrastructure that connects detailed individual-level information on entrepreneurs, including their personal and household characteristics, with...
Current Project| Entrepreneurship
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Research Project
The OECD Centre for Entrepreneurship, SMEs, Regions and Cities (CFE) of the Organisation for Economic Cooperation and Development (OECD) monitors and reports on the state, development and impact of inclusive entrepreneurial activity in European Union and OECD countries, and related public policies and actions. It focuses on how public policy can create jobs through self-employment and...
Completed Project| Entrepreneurship
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Refereed essays Web of Science
A large percentage of workers in Europe perceive their earnings to be unfairly low. Such perceptions of unfairness can have far-reaching consequences, ranging from low satisfaction to poor health. To gain insight into the conditions that can attenuate or amplify these adverse consequences, comparative research on the role of country contexts in shaping responses to perceived unfairness is needed. Furthermore, ...
In:
European Sociological Review
39 (2023), 1, S. 118–131
| Jule Adriaans
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Refereed essays Web of Science
Research shows that concurrent and sequential self-administered mixed-mode designs both have advantages and disadvantages in terms of panel survey recruitment and maintenance. Since concurrent mixed-mode designs usually achieve higher initial response rates at lower bias than sequential mixed-mode designs, the former may be ideal for panel recruitment. However, concurrent designs produced high share ...
In:
Social Science Computer Review
(2026), im Ersch. [online first: 2025-11-29]
| Carina Cornesse, Julia Witton, Julian B. Axenfeld, Jean-Yves Gerlitz, Olaf Groh-Samberg
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Refereed essays Web of Science
We develop a theory of postacquisition integration that distinguishes between one-way (acquirer-only) and two-way (mutual) effort strategies. We argue that the method of payment—cash versus shares—may serve as an ex ante commitment mechanism to a particular integration strategy, where cash deals align with unilateral effort, and share deals induce mutual engagement. Using transaction-level mergers ...
In:
Journal of Economics and Management Strategy
(2026), im Ersch. [2025-08-20]
| Albert Banal-Estañol, Joseph A. Clougherty, Jo Seldeslachts, Florian Szücs
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Cluster-Seminar Öffentliche Finanzen und Lebenslagen
With Johannes Geyer, Peter Haan, Jan Nimczik and Lennert Peede
In times of an increasing scarcity of workers, Germany has in a rare move decreased the retirement age for a sizeable group of the workforce. This paper investigates the effect of this negative labor supply shock on firm and individual level outcomes using the universe of firms in the IEB as well as matched employer-employee data from...
21.01.2026| Lars Felder