Der Beitrag untersucht die Auswirkungen des demographischen Wandels in Deutschland auf die öffentlichen Finanzen anhand des Konzeptes der Altersstrukturprofile. Der Fokus liegt dabei auf der Länder- und Gemeindeebene. Neben einer starken Demographiesensitivität der Ausgaben und Einnahmen...

This paper examines the effects of demographic change on public finances in a federal system. We develop a simple methodical procedure to measure the effect of demographic changes on public revenues and expenditures. We apply our method to the local, state and federal government sector as well...

We study how firms adjust the bundles of management practices they adopt over time, using repeated survey data collected in Germany from 2012 to 2018. By employing unsupervised machine learning, we leverage high-dimensional data on human resource policies to describe clusters of management...

How can teams organize for productive online collaboration? The coronavirus pandemic has led to a large and persistent shift toward remote work. Using fine-grained data from the world's largest platform for open-source software development, we find that the pandemic reduced the productivity of...

This study shows that fitting errors of equity-option-implied volatility surfaces are informative about intermediary frictions. For each stock and day, we quantify the goodness of fit between the observed implied volatilities of all available options and the corresponding estimates from...

In equity option markets, traders face margin requirements both for the options themselves and for hedging-related positions in the underlying stock market. We show that these requirements carry a significant margin premium in the cross-section of equity option returns. The sign of the margin...

This paper examines the effects of demographic change on public finances in a federal system. We develop a simple methodical procedure to measure the effect of demographic changes on public revenues and expenditures. We apply our method to the local, state and federal government sector as well...

Der Beitrag untersucht die Auswirkungen des demographischen Wandels in Deutschland auf die öffentlichen Finanzen anhand des Konzeptes der Altersstrukturprofile. Der Fokus liegt dabei auf der Länder- und Gemeindeebene. Neben einer starken Demographiesensitivität der Ausgaben und Einnahmen...

We study how firms adjust the bundles of management practices they adopt over time, using repeated survey data collected in Germany from 2012 to 2018. By employing unsupervised machine learning, we leverage high-dimensional data on human resource policies to describe clusters of management...

How can teams organize for productive online collaboration? The coronavirus pandemic has led to a large and persistent shift toward remote work. Using fine-grained data from the world's largest platform for open-source software development, we find that the pandemic reduced the productivity of...