market definition such as "acute in-patient care" averages out severe discrepancies that become visible when concentration is … only impact on the level of concentration, while the correlation remains high. Our results underline the need for more …

market definition such as “acute in-patient care” averages out severe discrepancies that become visible when concentration is … only impact on the level of concentration, while the correlation remains high. Our results underline the need for more …

Does the internet increase competition? To address this question, I exploit two institutional details unique to Germany …

of public service provision in the digital era whereas others either argue against PSM on the internet at all or assign … service providers towards the internet is legitimized by the European Commission it seems appropriate to analyze if there is a …

Does the internet increase competition? To address this question, I exploit two institutional details unique to Germany …

, Zeitschriften, Hörfunk, Fernsehen und Internet Fallstudien über die Unternehmensstrategien der größten Wettbewerber …