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What Is the “Right” Geographic Market Definition?

This paper examines the “right” geographic definition of relevant markets by analyzing how excise tax pass-through varies with local competition in the retail gasoline market of a large metropolitan city. Using a natural experiment from three unanticipated and exogenous fuel tax hikes and detailed station-level price data, we show that average pass-through is invariant to the number of nearby competitors ...

Study on the Impact of State Aid Rules for Banks in Difficulty Prepared: Final Report

Diese Studie untersucht die Auswirkungen staatlicher Beihilfen für Banken in Schwierigkeiten im Hinblick auf fünf Aspekte: Finanzielle Stabilität, Wettbewerb, langfristige Überlebensfähigkeit der Banken, Marktdisziplin und Moral Hazard, sowie die Effizienz der Beihilferegeln. Anhand eines neuen Datensatzes, der Daten europäischer Banken für den Zeitraum von 2007 bis 2021 mit Informationen der Europäischen ...

Fostering Sustainable and Resilient Coastal Communities Through Combining Nature-Based Solutions and Empowerment Tools: A Review

Nature-based Solutions (NbS) have proven successful to address major coastal environmental challenges. Participatory approaches to NbS planning, design and implementation are increasing, yet community empowerment remains an underexplored aspect of NbS. This paper aims to assess the current state of knowledge on the contribution of community empowerment in NbS approaches to address coastal challenges ...

Quantitative Trade with Ships

This paper highlights an underexplored margin of heterogeneity that shapes resilience to disruptions in global maritime trade - the differential reliance of countries and sectors on specific categories of vessels. We combine US bills of lading records with ship registry and AIS-based port call data to document new stylized facts on vessel deployment, including switching patterns across ships, country ...

Evaluation Support Study for the Revision of the Guidelines on State Aid to Airports and Airlines: Final Report

This Study supports the revision of the EU Guidelines on State Aid to Airports and Airlines in light of evolving market dynamics, the impact of COVID-19, and the challenges of the green transition for the European aviation sector. Evidence was collected through literature review, data analysis, stakeholder consultations, and six case studies. The findings show that profitability remains a structural ...

Valeriia Heidemann hat ihre Dissertation erfolgreich verteidigt

Valeriia Heidemann, ehemalige Doktorandin am SOEP, hat am 10. März erfolgreich ihre Dissertation zum Thema "The Long Shadow of Forced Migration: Parental Associations with Birth Outcomes and Early Childhood Development" an der Humboldt-Universität zu Berlin (HU Berlin) verteidigt. Betreuerinnen waren Sabine Zinn (HU Berlin, SOEP) und Anna Oksuzyan (Universität Bielefeld). Wir gratulieren Valeriia ...

Valeriia Heidemann successfully defended her dissertation

Former SOEP doctoral researcher Valeriia Heidemann successfully defended her dissertation, “The Long Shadow of Forced Migration: Parental Associations with Birth Outcomes and Early Childhood Development,” at Humboldt University (HU Berlin) on 10 March. Her supervisors were Sabine Zinn (HU Berlin, SOEP) and Anna Oksuzyan (Bielefeld University). We congratulate Valeriia on this outstanding achievem ...

Social Media: Population Favors Regulation—but Ban Only for Those up to the Age of 12

Social media usage by children and young people is an increasingly controversial topic. The focus is on risks, opportunities, and possible regulations. Politicians from all relevant parties are now open to a social media ban up to a certain age; the Federal Ministry for Family Affairs has set up a commission of experts. Based on a short survey in the Socio-Economic Panel (SOEP), conducted in September ...

Majority of the population sees both risks and opportunities in social media

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