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Liquidity Risk and Yield Spreads of Green Bonds

This study analyses how liquidity risk affects bonds’ yield spreads after controlling for credit risk, bond-specific characteristics and macroeconomic variables. Using two liquidity estimates, LOT liquidity and the bid-ask spread, we find that, in particular, the LOT liquidity measure has explanatory power for the yield spread of green bonds. Overall, however, the impact of LOT decreases over time, implying ...

Worries Across Time and Age in the German Socio-Economic Panel Study

We investigate how indicators of dissatisfaction—worries about a variety of life domains such as health, the state of the economy, and immigration—change across time and age in Germany based on Socio-Economic Panel (SOEP) data. As expected, contemporary world events influenced respondents’ worries. For example, worries about peace peaked in 2003, the year of the Iraq War; worries about both immigration ...

Opening the Black Box of Energy Modelling: Strategies and Lessons Learned

The global energy system is undergoing a major transition, and in energy planning and decision-making across governments, industry and academia, models play a crucial role. Because of their policy relevance and contested nature, the transparency and open availability of energy models and data are of particular importance. Here we provide a practical how-to guide based on the collective experience of ...

Reasonable Sample Sizes for Convergence to Normality

The central limit theorem says that, provided an estimator fulfills certain weak conditions, then, for reasonable sample sizes, the sampling distribution of the estimator converges to normality. We propose a procedure to find out what a “reasonably large sample size” is. The procedure is based on the properties of Gini's mean difference decomposition. We show the results of implementations of the procedure ...

AfD received more votes in the parliamentary election in rural areas with aging populations

DIW Berlin study analyzes the correlation between the AfD's vote performance and different economic and sociodemographic variables at an electoral district level – The AfD performed well in western German electoral districts where there are many employees in the manufacturing industry and where incomes are low – In the eastern districts they performed better where there is a large share ...

German Right-Wing Party AfD Finds More Support in Rural Areas with Aging Populations

This study examines in which setting the German political party Alternative for Germany (Alternative für Deutschland, AfD) performed well in the 2017 parliamentary elections. The AfD’s popularity was relatively high in electoral districts with an above-average amount of craft businesses, a disproportionately high amount of older residents and workers in the manufacturing sector, and—applicable mainly ...

Mathias Hübener has successfully defended his dissertation

Mathias Hübener, who works at the department of Education and Family Research, has successfully defended his dissertation at the Freie Universität Berlin.The dissertation with the title "Essays on the Impact of Education and Family Policies on the Formation of Human Capital" was supervised by Prof. Dr. C. Katharina Spieß (DIW Berlin, Freie Universität Berlin) and Prof. Regina ...

13th International German Socio-Economic Panel User Conference (SOEP 2018)

The 13th International German Socio-Economic Panel User Conference (SOEP2018) was held in Berlin, July 19-20, 2018 at Berlin Brandenburg Academy of Sciences (BBAW).The conference provides researchers who use the SOEP with the opportunity to present and discuss their work with other researchers familiar with SOEP data. Researchers of all disciplines (e.g., economics, demography, geography,...

EDDI18 – 10th Annual European DDI User Conference

EDDI18 is organized jointly by SOEP - The German Socio-Economic Panel, GESIS - Leibniz Institute for the Social Sciences and IDSC of IZA - International Data Service Center of the Institute for the Study of Labor. The conference will bring together DDI users and professionals from all over Europe and the world. Anyone interested in developing, applying, or using DDI is invited to attend and...

Income Inequality in Germany