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DIW Weekly Report 40 / 2021

20 Years of the Riester Pension—Personal Retirement Provision Requires Reform

Introduced 20 years ago as a part of the 2001 pension reform, the Riester pension is meant to function as an essential component of the German pension system with the aim of compensating for decreasing public pensions. However, data collected by the SOEP show that this objective has not yet been achieved. For ten years, use of the Riester pension plan has been stagnating at around 25 percent of the ...

2021| Johannes Geyer, Markus M. Grabka, Peter Haan
SOEPpapers 1147 / 2021

How Causal Is Separation? Lessons Learnt from Endogenous Switching Regression Models for Single Mothers’ Economic Strain in Germany

Single mothers often experience precarious financial conditions. However, it is not fully understood to what extent separation is the cause of these conditions versus being their consequence. Estimating an endogenous switching regression model based on a sample of 626 separated and 5,525 non-separated mothers drawn from the German Socio-Economic Panel (SOEP) 1984-2018, we disentangle the roles of causation ...

2021| Antonia Birkeneder, Christina Boll

Renewable Energy Targets and Unintended Storage Cycling: Implications for Energy Modeling

To decarbonize the economy, many governments have set targets for the use of renewable energy sources. These are often formulated as relative shares of electricity demand or supply. Implementing respective constraints in energy models is a surprisingly delicate issue. They may cause a modeling artifact of excessive electricity storage use. We introduce this phenomenon as 'unintended storage cycling', ...

Ithaca:, 2021, 48 S.
(arXiv ; 2107.13380)
| Martin Kittel, Wolf-Peter Schill

Modeling Flexibility in Energy Systems - A Scenario-Based Comparison of Power Sector Model

Model-based scenario analyses of future energy systems often come to deviating results and conclusions when different models are used. This may be caused by heterogeneous input data and by inherent differences in model formulations. The representation of technologies for the conversion, storage, use, and transport of energy is usually stylized in comprehensive system models in order to limit the size ...

Stuttgart: elib, 2021, 34 S. | Hans-Christian Gils, Hedda Gardian, Martin Kittel, Wolf-Peter Schill, Alexander Zerrahn, Alexander Murmann, Jann Launer, Alexander Fehler, Felix Gaumnitz, Jonas van Ouwerkerki, Christian Bußar, Jennifer Mikurda, Laura Torralba-Díaz, Tomke Janßen, Christine Krüger
DIW Weekly Report 37 / 2021

Global Economy Returning to Its Recovery Course after Summer Setbacks: DIW Economic Outlook Autumn 2021

Recently, the coronavirus pandemic has caused economic developments in major economies to drift apart: While infection rates were declining and production was experiencing strong growth in places such as Europe and the United States in the second quarter of 2021, emerging economies were experiencing strict economic restrictions due to high case numbers. In some of these countries, the economy declined. ...

2021| Guido Baldi, Geraldine Dany-Knedlik, Hella Engerer, Frederik Kurcz
DIW Weekly Report 37 / 2021

German Economy Only Slowly Emerging from the Pandemic: DIW Economic Outlook Autumn 2021

The German economy is taking longer than expected to overcome the pandemic: It is likely to increase by only 2.1 percent in 2021 and capacities remain markedly underutilized. In addition, global supply bottlenecks are affecting German industry, resulting in stalled domestic production despite high demand. Following a profitable summer due to low case numbers and progress in the vaccination campaign, ...

2021| Marius Clemens, Simon Junker, Laura Pagenhardt
Research Project

The Linked Employer-Employee Study of the Socio-Economic Panel, Vers. 2 (SOEP-LEE 2)

The Linked Employer-Employee Study of the Socio-Economic Panel was first conducted in 2012 and is now entering its second round. The focus of SOEP-LEE2 is on longer-term changes in labor relations in the context of ongoing digitalization. In this context, the project examines how the corona pandemic has affected human resources management and leadership. A key feature of the study is the linkage...

Current Project| German Socio-Economic Panel study
SOEPpapers 1146 / 2021

Buying Control? 'Locus of Control' and the Uptake of Supplementary Health Insurance

This paper analyses the relationship between locus of control (LOC) and the demand for supplementary health insurance. Drawing on longitudinal data from Germany, we find robust evidence that individuals having an internal LOC are more likely to take up supplementary private health insurance (SUPP). The increase in the probability to have a SUPP due to one standard deviation increase in the measure ...

2021| Eric Bonsang, Joan Costa-Font, Sonja DeNew
SOEPpapers 1143 / 2021

Causality in the Link between Income and Satisfaction: IV Estimation with Internal Instruments

Usually, it is expected that income increases life satisfaction. In recent years tough, research emerged that shows how subjective well-being, including satisfaction, influences objective measures, as for example income. This would then require explicit identification strategies for estimating effects of income on life satisfaction. I address this issue using German SOEP data and Lewbel’s (2012) method, ...

2021| Susanne Elsas
Diskussionspapiere 1976 / 2021

Energy Transition Metals

The energy transition requires substantial amounts of metals such as copper, nickel, cobalt and lithium. Are these metals a key bottleneck? We identify metal-specific demand shocks, estimate supply elasticities and pin down the price impact of the energy transition in a structural scenario analysis. Metal prices would reach historical peaks for an unprecedented, sustained period in a net-zero emissions ...

2021| Lukas Boer, Andrea Pescatori, Martin Stuermer
13681 results, from 11