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DIW Weekly Report 40 / 2025
In 1991, the average labor productivity of the then-new federal states (plus West Berlin) only reached nearly half of the total national productivity level. Since then, the average labor productivity of these states has climbed up to nearly 90 percent. However, the ranking of the individual states has barely changed: Hamburg and the southern German states are still at the top, while most eastern German ...
2025| Martin Gornig
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Refereed essays Web of Science
This paper is the first to analyse the impact of free trade agreements (FTAs) and the harmonisation of rules of origin (RoO) on Middle East and North African (MENA) countries’ exports differentiating between final and intermediate goods for a global sample of trade partners. Data on exports from four MENA countries (Egypt, Jordan, Morocco and Tunisia) to 61 destinations over the period 1995–2016 are ...
In:
The World Economy
45 (2022), 5, S. 1501-1527
| Adriana Cardozo, Inmaculada Martínez-Zarzoso, Paula L. Vogler
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Topic Crime
Topic Crime
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Refereed essays Web of Science
The COVID-19 pandemic posed unprecedented challenges to gender equality, particularly affecting working parents due to disruptions in daycare and school operations. It also impacted labor market opportunities for both men and women. This study investigates shifts in gender role attitudes toward maternal employment in Germany during pandemic lockdowns and subsequent periods of eased restrictions, using ...
In:
Feminist Economics
30 (2024), 3, S. 217–254
| Mathias Huebener, Natalia Danzer, Astrid Pape, Pia Schober, C. Katharina Spiess, Gert G. Wagner
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Nachrichten [Abteilung SOEP]
On November 17 and 18, 2025 we are organizing a two-day in-person workshop on the Socio-Economic Panel (SOEP) at DIW Berlin. In addition to presentations on the study itself, its data structure, sampling design, and weighting strategy, hands-on sessions will offer a practical approach to the data and its potential. The workshop is aimed at researchers of all qualification levels who want to work ...
14.10.2025| Janina Britzke, Cristóbal Moya
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Research Project
The MINDSET_Clean_H2 research project aims to develop innovative open-source models that align the uptake of hydrogen (H2) in the EU with developments in international markets. By combining game-theoretic analyses with numerical modelling and machine learning methods, a set of instruments is developed that can also be used in the face of changing regulation and market developments. The aim is to...
Current Project
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DIW Discussion Papers 2143 / 2025
We study how rent control and housing rationing shape housing investment and market tightness in Geneva using a VAR on annual data (1994–2022) with generalized impulse responses and Granger causality. We find that housing rationing functions as a binding quantity restriction as it precedes a contraction in new institutional construction and Granger-causes lower vacancy rates. This increased scarcity ...
2025| Kristyna Ters, Konstantin A. Kholodilin
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International SOEP User Conference
The 16th International German Socio-Economic Panel User Conference (SOEP2026) will be held in Berlin from July 8 to 9, 2026 at the Quadriga Campus.
The conference provides researchers who use the SOEP with the opportunity to present and discuss their work with their peers. This includes users of the SOEP part of the Cross-National Equivalent File (CNEF), LIS/LWS data, and SOEP-IS, as well as...
08.07.2026| Wiebke Bleidorn (UZH Zurich), Thomas Dohmen (University of Bonn/Maastricht University)
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Refereed essays Web of Science
Objective: As social norms and relationship dynamics evolve, it is important to examine how transitions from singlehood to partnership, cohabitation, and marriage relate to well-being Method: Using data from two large panel studies in the UK and Germany (1984–2019), we identified N = 27,459 individuals who reported being single and living alone at least once. Analyses focused on a subset (N = 1103; ...
In:
Journal of Personality
94 (2026), 3, S. 446–457
| Usama EL-Awad, Robert Eves, Justin Hachenberger, Theresa M. Entringer, Robin Goodwin, Anu Realo, Sakari Lemola
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Refereed essays Web of Science
While Equity Crowdfunding (ECF) platforms are a virtual space for raising funds, geography remains relevant. To determine how location matters for entrepreneurs using equity crowdfunding (ECF), we analyze the spatial distribution of successful ECF campaigns and the spatial relationship between ECF campaigns and traditional investors, such as banks and venture capitalists (VCs). Using data from the ...
In:
Small Business Economics
65 (2025), 4, S. 2639–2661
| Torben Klarl, Alexander S. Kritikos, Knarik Poghosyan