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Long-Duration Electricity Storage Needs for Coping with Dunkelflaute Events in Europe

Coping with prolonged periods of low availability of wind and solar power, also referred to as variable renewable energy droughts or “Dunkelflaute”, emerges as a key challenge for realizing decarbonized energy systems based on renewable energy. Here we investigate the role of long-duration electricity storage and geographical balancing through transmission in dealing with such events in Europe, combining ...

Fair Data Principles in Energy Research: An Empirical Analysis on Current Practices, Researcher Attitudes, Application Barriers and Practical Implications

For a successful energy transition, the FAIR data principles provide an essential framework for managing and reusing energy related data for research, yet their implementation remains limited. In this explorative study, we empirically examine how energy researchers engage with energy data in relation to FAIR data principles, research data platforms, and open science practices, while acknowledging the ...

The European Parenting Leave Policies (EPLP) Dataset: Leave Duration Entitlements for 21 Countries from 1970 to 2024

BACKGROUND Parenting leave policies shape how caregiving and paid work can be reconciled around the time of childbirth. They have important implications for fertility, employment, and gender equality. Still, there are limited quantitative cross-country data capturing longterm policy changes that impact how long parents can temporarily be away from work to care for their children, and how leave can ...

Housing Policy During COVID-19 Crisis

The economy was noticeably impacted by containment measures during the COVID-19 pandemic. As a result, homeowners and tenants had difficulty meeting their short-term obligations, such as paying mortgages and rent. In response to this dire situation, governments around the world implemented various restrictive and stimulating measures. These measures aimed to support tenants and homeowners during this ...

Where and When to Refuel: A Revealed Preferences Approach to Local Gasoline Markets

This paper provides a systematic analysis of German car drivers’ refuelling behaviour. A dataset combining population-representative individual-level GPS-tracking and survey information with data on fuel prices is used to identify 922 refuelling stops between April and December 2023. Besides a discussion of the conducted data processing and cleaning steps, the paper provides insights into German fuel ...

An Advanced Reliability Reserve Incentivizes Flexibility Investments while Safeguarding the Electricity Market

To ensure security of supply in the power sector, many countries are considering capacity mechanisms. Simultaneously, the expansion of variable renewables increases the need for power sector flexibility, with promising options on the demand side. We analyze how a centralized capacity market and an advanced reliability reserve with a moderately high activation price affect demand-side flexibility investments ...

Quantitative Trade with Ships

This paper highlights an underexplored margin of heterogeneity that shapes resilience to disruptions in global shipping - 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 specialization ...

Defending autonomy: Which industrial strategy for European technology leadership in defence and deterrence

With shifting geopolitical tectonics Europe is in urgent need to build autonomy in defence and deterrence. As military spending is increasing significantly, Germany and Europe need an industrial strategy that helps the continent build a stronger and more independent role in developing modern defence and dual use technologies, foster competition and innovation and expand European defence production...

The Effects of Government Interventions on Housing Market: A Meta-Study of Empirical Literature

Housing markets are affected by a wide variety of factors. Among them, governmental regulations play an important role. Besides desired effects, all these policies exert a number of side effects, even offsetting the desired effects. In addition, different policies can cancel out each other. Therefore, it is important to be aware of the effects of individual policies and the composite effects resulting ...

SOEP-Core – 2025: Report of Survey Methodology and Fieldwork