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The 18th Berlin IO Day

The Berlin IO Day is a one-day workshop sponsored by the Berlin Centre for Consumer Policies (BCCP) and supported by the Berlin's leading academic institutions, including DIW Berlin, ESMT Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Technische Universität Berlin. The aim is to create an international forum for high quality research in Industrial Organization in the heart...

The 17th Berlin IO Day

The Berlin IO Day is a one-day workshop sponsored by the Berlin Centre for Consumer Policies (BCCP) and supported by the Berlin's leading academic institutions, including DIW Berlin, ESMT Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Technische Universität Berlin. The aim is to create an international forum for high quality research in Industrial Organization in the heart...

Is Russian Gas Still Needed in the European Union? Model-Based Analysis of Long-Term Scenarios

Aligned with the war in Ukraine, Russia has significantly withheld natural gas exports to Europe since 2021. As there are no EU-wide sanctions on imports of Russian natural gas, the Ukraine transit as well as imports via Turkey and LNG have remained active during 2022–24. However, the Russian-Ukrainian transit agreement expires at the end of 2024 and discussions about new sanctions on natural gas as ...

Digital Economy Workshop Berlin, 2025

The workshop aims to bring together researchers from Economics, Information Systems, Law, Marketing, Strategy, and related fields who study Digitization. For inquiries dew2025@diw.de Event page

Airbnb and Rental Markets: Evidence from Berlin

Rent Control Effects through the Lens of Empirical Research: An Almost Complete Review of the Literature

Rent control is a highly debated social policy that has been omnipresent since World War I. Since the 2010s, it is experiencing a true renaissance, for many cities and countries facing chronic housing shortages are desperately looking for solutions, directing their attention to controling housing rents and other restrictive policies. Is rent control useful or does it create more damage than utility? ...

The Value of a Loss: The Impact of Restricting Tax Loss Transfers

We study the economic consequences of anti-loss trafficking rules, which disallow theuse of loss carry-forwards as tax shield after a substantial ownership change. We usestaggered changes to anti-loss trafficking rules in the EU27 Member States, Norwayand United Kingdom from 1998 to 2019 and find that limiting the transfer of tax lossesreduces the number of M&As by 18%. The impairment is driven by ...

Prioritize to Decarbonize: Thermal Retrofits, Carbon Prices, and Energy Inequality

The energy crisis following Russia’s invasion of Ukraine exposed the heightened vulnerability of low-income households to rising heating costs, particularly those in energy inefficient buildings. Using data from the German Socio-Economic Panel (SOEP), this study examines the distributional impact of heating costs across income deciles and evaluates the effectiveness of policy interventions. We find ...

The Evolution of "Theories of Harm" in EU Merger Control

We discuss the main theories of harm in EU merger control and their evolution since the 1990s. We present stylized facts and trends using data extracted from EU merger decisions by natural language processing tools. EU merger policy has adapted over time, both in terms of legislation and theories of harm, as well as in terms of the investigative tools and evidence used. The introduction of the new ...

VAT Pass-through and Competition: Evidence from the Greek Islands

We examine how competition affects VAT pass-through in isolated oligopolistic markets as defined by the Greek islands. Using daily gasoline prices and a difference-in-differences methodology, we investigate how changes in VAT rates are passed through to consumers in islands with different market structure. We show that pass-through increases with competition, going from 50% in monopoly to around 80% ...