This paper examines the relation between crowd support and home advantage in professional football in making use of a unique “natural experiment” induced by restrictions due to the Corona pandemic: so-called ghost games in the top three German football divisions during the 2019/2020 season....

The German DEAL agreements between German universities and research institutions on the one side and Springer Nature and Wiley on the other side facilitate easy open access publishing for researchers located in Germany. We use a dataset of all publications in chemistry from 2016 to 2020 and...