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DIW Weekly Report 49 / 2025
In 2024, the heating energy demand of households in Germany remained at a similar level as in 2023. Thus, the heating energy savings achieved during the energy crisis were maintained, as data from real estate service provider ista SE show. Compared to 2023, CO₂ emissions fell by three percent after adjusting for temperature. Although heating energy prices rose on average by only 6.2 percent in 2024, ...
2025| Sophie M. Behr, Till Köveker
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Video
Free, fair, and diversified trade plays a crucial role in the development of new technologies and thus also in the success of industrial and innovation policy strategies. Access to critical raw materials and other inputs, such as semiconductors or steel scrap, is often a prerequisite for the development of new technologies, including in the important areas of digitalization and decarbonization. At...
04.12.2025| Veranstaltungsrückblick
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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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Zeitungs- und Blogbeiträge
In:
VoxEU.org
(23.06.2023), [Online-Artikel]
| Lydia Dimitrakopoulou, Christos Genakos, Themistoklis Kampouris, Blair Yuan Lyu, Mario Pagliero, Stella Papadokonstantaki
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DIW-OECD Industrial Strategy Dialogue
Free, fair, and diversified trade plays a crucial role in the development of new technologies and thus also in the success of industrial and innovation policy strategies. Access to critical raw materials and other inputs, such as semiconductors or steel scrap, is often a prerequisite for the development of new technologies, including in the important areas of digitalization and decarbonization. At...
08.12.2025| Nicola Brandt, Christian Forwick, Marion Jansen, Wolfgang Niedermark, Sonali Chowdhry
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DIW-OECD Industrial Strategy Dialogue
Amidst a global battle for technological leadership in fast-changing and emerging industries, Europe has been losing competitiveness. Productivity remains weak. While innovation is taking place in the EU, its large-scale commercialisation often occurs abroad – along with the creation of new firms and employment that accompany it. Industrial policy could help address these challenges, but too often...
26.01.2026| Nicola Brandt, Markus Heß, Ori Schwartz, Tomaso Duso