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“Climate protection benefits the entire economy”: The Department of Energy, Transportation, Environment

[English subtitles, German language video] How does environmental protection affect the economy? How can we secure the energy supply of the future, and what role does transportation play in this? These are the questions addressed by the Department of Energy, Transportation, and Environment at DIW Berlin. “Continuous global warming is costly and destroys our environment, endangers our livelihoods,...

Travel Patterns after the Deutschlandticket: A Combined Tracking and Survey Approach

The Deutschlandticket, introduced in May 2023, offers unlimited travel on all regional public transport in Germany for 49€ per month. This paper provides an overview of how the intro-duction of the ticket influenced travel behaviour and mode choice based on the GIM Traces panel, a nationwide representative dataset combining GPS tracking data and survey re-sponses. The data, consisting of almost 4 million ...

Selected Topics of the German Council of Economic Expert's Spring Report

Chapter 2 examines Germany's financial package, highlighting its potential to modernize public capital stock and stimulate economic recovery through expanded fiscal flexibility. The GCEE emphasizes that the package's effectiveness is contingent on its investment-oriented application and adherence to EU fiscal rules. Chapter 3 addresses the significant burden of bureaucracy on German businesses....

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