Showing 1 - 10 of 408
Google is supposed to be the dominant player in most search markets around the world. But what is a search market? To calculate a market share of 90% or more, it has to be clear what the denominator is: Does the search market also include product search and therefore Amazon and eBay or the...
Persistent link: https://www.econbiz.de/10010991240
This paper analyses the incentives of a vertical integrated Internet service provider (ISP) to block competitors from content markets. Using a simple model we find that the ISP does not block competing content providers as long as the contents are differentiated sufficiently. Exclusion only...
Persistent link: https://www.econbiz.de/10010409377
Google wird häufig als marktmächtig bezeichnet. Grund dafür ist ein mutmaßlicher Marktanteil von über 90% in manchen Ländern. Eine gründliche Marktabgrenzung im wettbewerbsrechtlichen Sinne liegt dieser Aussage aber nicht zugrunde. Was umfasst den 'Suchmarkt'? Wird z.B. zwischen Produkt-,...
Persistent link: https://www.econbiz.de/10010421067
Persistent link: https://www.econbiz.de/10015190997
Google wird häufig als marktmächtig bezeichnet. Grund dafür ist ein mutmaßlicher Marktanteil von über 90% in manchen Ländern. Eine gründliche Marktabgrenzung im wettbewerbsrechtlichen Sinne liegt dieser Aussage aber nicht zugrunde. Was umfasst den „Suchmarkt“? Wird z.B. zwischen...
Persistent link: https://www.econbiz.de/10010419097
This paper analyses the incentives of a vertical integrated Internet service provider (ISP) to block competitors from content markets. Using a simple model we find that the ISP does not block competing content providers as long as the contents are differentiated sufficiently. Exclusion only...
Persistent link: https://www.econbiz.de/10010406425
Das Vorhaben einiger Breitbandnetzbetreiber, Content Provider fuer die Durchleitung der Inhalte zu bepreisen, hat in den USA eine erbitterte Debatte darueber hervorgerufen, ob und inwiefern Netzneutralitaet im Internet einer gesonderten Regulierung bedarf. Es wurde dabei vor allem vor einer...
Persistent link: https://www.econbiz.de/10004970429
This paper analyses the income effect of the participation in elite sports. To quantify the average difference in the monthly net income of former elite athletes and non-athletes we estimate sample average treatment effect scores (SATT) by using covariate nearest-neighbour matching (CVM). While...
Persistent link: https://www.econbiz.de/10010991227
This paper investigates the existence of a possible media bias by analyzing the impact of auto- mobile manufacturer’s advertisements on automobile reviews in a leading German car maga- zine. By accounting for both endogeneity and sample selection using a two-step procedure, we find a positive...
Persistent link: https://www.econbiz.de/10010991230
Media and especially mass media like newspapers or magazines are characterised by a number of peculiarities which are interesting from both a theoretical and empirical point of view. The interrelationship of reader and advertising markets, high sunk costs and large economies of scale are typical...
Persistent link: https://www.econbiz.de/10005091328