Firm characteristics in empirical models for margins of international trade usually enter these models in linear form. If non-linearities do matter and are ignored this leads to biased results. Researchers, however, can never be sure that all possible non-linear relationships are taken care of....

Das Institut für Volkswirtschaftslehre der Leuphana Universität Lüneburg (Fakultät Staatswissenschaften) legt hiermit seinen neunzehnten eigenständigen Forschungsbericht vor. Wir möchten mit unserem Bericht alle Interessenten an unserer wissenschaftlichen Arbeit in kompakter Form über die...

This paper uses firm level data from the World Bank Enterprise surveys conducted in 2019 and from the COVID-19 follow-up surveys conducted in 2020 in eight European countries to investigate the link between firm characteristics before the pandemic and firm survival until 2020. For the first time...

Increasing competition and reducing market power are core interests of economists, regulators and the public to maximise aggregate social welfare. Low prices are achieved through intense competition in the retail gasoline market. The absence of fierce competition is referred to as market power....