Mallorca ist das beliebteste ausländische Reiseziel deutscher Urlauber und Urlauberinnen. Jedes Jahr fliegen fast fünf Millionen von ihnen auf die Balearische Insel. Die Corona-Pandemie hatte den Passagierflugverkehr aber praktisch zum Erliegen gebracht. Ab Juni 2020 starteten zwar wieder mehr...

We investigate patterns in common ownership networks between firms that are active in the US pharmaceutical industry for the period 2004-2014. Our main findings are that “brand firms” — i.e. firms that have R&D capabilities and launch new drugs — exhibit relatively dense common ownership...

We develop a two-sided matching model to analyze collaboration between heterogeneous academics and firms. We predict a positive assortative matching in terms of both scientific ability and affinity for type of research, but negative assortative in terms of ability on one side and affinity in the...