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Public Transport Reliability and Season Ticket Ownership: The Case of the Deutschlandticket

This paper provides a systematic analysis of peoples’ decision to purchase the Deutschlandticket, identifying primary customer groups and the role of public transport irregularities such as delays and cancellations. It builds on a panel dataset covering survey answers from almost 3000 participants between March and December 2023 and applies a series of binary logit models. The results confirm that ...

A Changing Ethnic Landscape? The Effect of Refugee Immigration on Inter-ethnic Group Relations and Identities of Previous Immigrants

How does the arrival of a new immigrant group affect earlier generations of immigrants? Do group relations and self-identification change? Previous research on ethnic boundaries is usually restricted to a two-group paradigm and primarily focuses on the majority group’s perspective. In contrast, this study analyzes how the arrival of refugees in Germany influenced previous immigrants of Turkish and ...

“Our research shapes policy”: Department of Public Economics and the Gender Economics Research Group

[English subtitles, German language video] Sooner or later, everyone will come into contact with the state, whether it be when looking at their pay slip or when it comes to their pension. The Public Economics Department at DIW Berlin conducts research on these topics. It examines how government policy—particularly in the areas of fiscal, tax, and social policy—influences the behavior of...

IEA Hydrogen Technology Collaboration Programme Inter-Task 52 "Hydrogen for Iron and Steelmaking" Berlin Workshop

DIW Berlin is pleased to host a scoping workshop for the new Inter-Task 52 under the International Energy Agency’s Hydrogen Technology Collaboration Programme (TCP). Task 52 addresses the critical role of hydrogen in decarbonizing the global steel industry. It brings together global partners to coordinate efforts in technology assessment, supply chain and infrastructure, power system integration,...

Projects Life Course and Inequality Research Group

Projects Life Course and Inequality Research Group

Tariff Chaos Overshadowing the Global Economy; Fiscal Package Bolstering the German Economy

Despite a strong start to 2025, the German economy will experience middling growth for the time being before beginning a long-awaited upturn at the end of the year. DIW Berlin’s forecast indicates growth of 0.3 percent for 2025 and of 1.7 percent for 2026; thus, DIW Berlin is increasing its forecast significantly. Expansionary fiscal policy is counteracting the effects of higher tariffs. From 2026 ...

German economy returning to growth path

Scientific Workshop on Productivity

The German Institute for Economic Research (DIW Berlin) and the German Council of Economic Experts (SVR Wirtschaft), in its role as the German National Productivity Board, are jointly organizing the third Scientific Workshop on Productivity, which will take place on 25 and 26 September 2025. The event offers researchers the opportunity to present and discuss their recent contributions to the...

Divorce as a Liberation from Violence: The Role of Legal Protections and Women’s Shelters

Does increased legal infrastructure empower victims to leave abusive relationships? Structural barriers often prevent victims of intimate partner violence from seeking help and leaving their abuser, with two-thirds of female victims in Europe neither reporting incidents to the police nor accessing support services. I study the introduction of the 2002 Violence Protection Act in Germany, which...

Basic Income and Labor Supply: Evidence from an RCT in Germany

How does basic income (a regular, unconditional, guaranteed cash transfer) impact labor supply? We show that in search models of the labor market with income effects, this impact is theoretically ambiguous: Employment and job durations might increase or decrease, match surplus might be shifted to workers or employers, and worker surplus might be reallocated between wages and job amenities. We thus ...