As part of the 2019 frequency allocation process for mobile communications, the Federal Network Agency required network providers to achieve a certain level of mobile network coverage for the population. Cooperation between different network providers was also permitted for the first time, although it was not specified what forms of cooperation are permitted. Using a model, this report shows that providers ...
The relationship between urbanization, the brain, and human mental health is subject to intensive debate in the current scientific literature. Particularly, since mood and anxiety disorders as well as schizophrenia are known to be more frequent in urban compared to rural regions.Here, we investigated the association between cerebral signatures, mental health and land use indicators (Urban Fabric and ...
This paper studies regional economic development on the municipality-level in Poland and Germany along the Oder–Neisse border. We use high-quality satellite night-time light intensity data as an innovative and comparable measure to proxy for overall economic activity on both sides of the border consistently over a long period of time (1992–2012). We use descriptive heat maps as well as regression analysis ...
In 2020, Berlin enacted a rigorous rent-control policy: the “Mietendeckel” (rent freeze), aiming to stop rapidly growing rental prices. We evaluate this newly enacted but old-fashionably designed policy by analyzing its immediate supply-side effects. Using a rich pool of rent advertisements reporting asking rents and comprehensive dwelling characteristics, we perform hedonic-style Difference-in-Difference ...
On 2 June 2020 DG Competition of the European Commission published several support studies on the retrospective evaluation of State aid rules. This “Fitness check” will serve as a basis for future Commission’s decisions about whether to further prolong or update the rules expiring in 2020. The consortium of DIW Berlin, Lear, Sheppard Mullin and UEA Consulting under the leadership ...
Unfortunately the event is canceled. As soon as a new date is fixed, it will be announced here on the website. BAMS is a joint seminar by the DIW Berlin, the Hertie School of Governance, the HU Berlin and the WZB.
Several countries and regions have introduced mandatory minimum distances of wind turbines to nearby residential areas, in order to increase public acceptance of wind power. Germany’s largest federal state Bavaria introduced such separation distances of ten times the height of new wind turbines in 2014. Here, we provide a novel monthly district-level dataset of construction permits for wind turbines ...
The morphology of today’s cities is the result of historic urban developments and ongoing urban transformation resulting in complex urban spatial structures. While functionally as well as spatially, cities are structured into sub-units such as the city center, business districts, residential areas or industrial and commercial zones, their precise localization in the geographic space is sometimes difficult. ...
A range of studies has analysed how climate-related risks can impact financial markets, focusing on equity and corporate bond holdings. This article takes a closer look at transition risks and opportunities in residential mortgages. Mortgage loans are important from a financial perspective due to their large share in banks’ assets and their long credit lifetime, and from a climate perspective due to ...