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2D:4D Does Not Predict Economic Preferences: Evidence from a Large, Representative Sample

The digit ratio (2D:4D) is considered a proxy for testosterone exposure in utero, and there has been a recent surge of studies testing whether 2D:4D is associated with economic preferences. Although the results are not conclusive, previous studies have reported statistically significant correlations between 2D:4D and risk taking, altruism, positive reciprocity, negative reciprocity and trust. However, ...

Heteroscedastic Proxy Vector Autoregressions

In proxy vector autoregressive models, the structural shocks of interest are identified by an instrument. Although heteroscedasticity is occasionally allowed for in inference, it is typically taken for granted that the impact effects of the structural shocks are time-invariant despite the change in their variances. We develop a test for this implicit assumption and present evidence that the assumption ...

Estimating Demand with Multi-Homing in Two-Sided Markets

We empirically investigate the relevance of multi-homing in two-sided markets. First, we build a micro-founded structural econometric model that encompasses demand for differentiated products and allows for multi-homing on both sides of the market. We then use an original dataset on the Italian daily newspaper market that includes information on double-homing by readers to estimate readers’ and advertisers’ ...

Rentenanpassungen stabilisieren – ein Vorschlag

Strengthening Gender Justice in a Just Transition: A Research Agenda Based on a Systematic Map of Gender in Coal Transitions

For climate change mitigation a rapid phase-out of fossil fuels such as coal is necessary. This has far-reaching gender-specific consequences. This paper presents a systematic map of the literature that examines the impact of historical coal phase-out processes on women and their role in these processes. The search process consists of screening 2,816 abstracts and reading 247 full-text studies. The ...

The Case of Deutsche Telekom: How Stock Market Crashes Can Persistantly Affect Household Investment Decisions

Since decades, only one fourth of German households invest in shares. One exception was during the three IPOs from 1996 to 2000 of the Deutsche Telekom, which gave Germans a taste to enter the stock market. However, the fall in the share price shortly after the second IPO, followed by corruption scandals of the company, put an end to their enthusiasm. The present study based on SOEP data shows that ...

Catalina Martinez Hernandez has successfully defended her dissertation

Catalina Martinez Hernandez has successfully defended her dissertation "Essays on Large Data Sets and Unbalanced Panels in Empirical Macroeconomics" supervised by Helmut Lütkepohl at Freie Universität Berlin. Congratulations!

Nuria Boot has successfully defended her dissertation

Nuria Boot has successfully defended her dissertation "Essays on Common Ownership and Financial Benchmark Rates" supervised by Prof. Dr. Jo Seldeslachts at KU Leuven. Congratulations!

Weighting the SOEP-CoV Study 2020

Unconventional Fiscal Policy in HANK

We show that in a New Keynesian model with household heterogeneity, fiscal policy can be a perfect substitute for monetary policy: three simple conditions for consumption taxes, labor taxes, and the government debt level are sufficient to induce the same consumption and labor supply of each household and, thus, the same allocation as interest rate policies. When monetary policy is constrained by a ...