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In memoriam Hans-Jürgen Krupp

*April 15, 1933 – †July 29, 2024 The founder of the German Socio-Economic Panel Study (SOEP) passed away on July 29, 2024, at the age of 91. Following his studies in industrial engineering, Hans-Jürgen Krupp was appointed Professor of Economic and Social Policy at Johann Wolfgang Goethe University Frankfurt am Main in 1969 and headed the university from 1975 to 1979. From 1972, he headed the ...

In memoriam Hans Jürgen-Krupp

*April 15, 1933 – †July 29, 2024 The founder of the German Socio-Economic Panel Study (SOEP) passed away on July 29, 2024, at the age of 91. Following his studies in industrial engineering, Hans-Jürgen Krupp was appointed Professor of Economic and Social Policy at Johann Wolfgang Goethe University Frankfurt am Main in 1969 and headed the university from 1975 to 1979. From 1972, he headed the ...

Multi-mode Trade Policy Retaliation

Previous studies have found evidence that countries may choose to retaliate against countries for certain trade actions.  What has not been empirically examined is the use of multi-modal retaliation in trade policy. Using an exporter-importer-sector panel of antidumping (AD), sanitary and phytosanitary (SPS), and technical barriers to trade (TBT) actions between 1995 and 2019, we find evidence of...

Repurposing Natural Gas Pipelines for Hydrogen: Limits and Options from a Case Study in Germany

We investigate the challenges and options for repurposing existing natural gas pipelines for hydrogen transportation. Challenges of re-purposing are mainly related to safety and due to the risk of hydrogen embrittlement of pipeline steels and the smaller molecular size of the gas. From an economic perspective, the lower volumetric energy density of hydrogen compared to natural gas is a challenge. We ...

Avoiding Unintentionally Correlated Shocks in Procy Vector Autoregressive Analysis

The shocks in structural vector autoregressive (VAR) analysis are typically assumed to be instantaneously uncorrelated. This condition may easily be violated in proxy VAR models if more than one shock is identified by a proxy variable. Correlated shocks may be obtained even if the proxies are uncorrelated and satisfy the usual relevance and exogeneity conditions individually. Examples from the recent ...

IAB-BiB/FReDA-BAMF-SOEP-Befragung „Geflüchtete aus der Ukraine in Deutschland“ vukr: UKR-DURATION

IAB-BiB/FReDA-BAMF-SOEP-Befragung „Geflüchtete aus der Ukraine in Deutschland“ vukr: UKR-INSTRUMENTATION

IAB-BiB/FReDA-BAMF-SOEP-Befragung „Geflüchtete aus der Ukraine in Deutschland“ vukr: UKR-PL

Crowded-out? Changes in Informal Childcare during the Expansion of Formal Services in Germany

Informal childcare care by grandparents, other relatives or friends is an important source of support in many Western countries, including Germany. Yet the role of this type of care is often overlooked in accounts of social policies supporting families with children, which tend to focus on formal childcare. This article examines whether the large formal childcare expansion occurring in Germany in the ...

The Role of Regulation and Regional Government Quality for High Growth Firms: The Good, The Bad, and the Ugly

High-growth firms (HGFs) are important for job creation and productivity growth. We investigate the relationship between product and labour market regulations, as well as the quality of regional governments that implement these regulations, and the development of HGFs across European regions. Using data from Eurostat, the Organisation for Economic Co-operation and Development (OECD), World Economic ...