Internet, mp3 files, peer-to-peer software and digital technologies for copying have radically modified the music sector. In this paper I present a theoretical model, that investigates the consequences of the appearance of a pirate low quality good (typically a mp3 file) in the music market. In...

This paper investigates the effects of illegal file sharing (piracy) on music and movie sales. The Swedish implementation of the European Union directive IPRED on April 1, 2009 suddenly increased the risk of being caught and prosecuted for file sharing. We investigate the subsequent drop in...

This paper investigates the effects of illegal file sharing (piracy) on music and movie sales. The Swedish implementation of the European Union directive IPRED on April 1, 2009 suddenly increased the risk of being caught and prosecuted for file sharing. We investigate the subsequent drop in...

Neues Wissen ist ein knappes ökonomisches Gut und stellt eine wichtige ökonomische Wachstumsdeterminante dar. Der Schutz der geistigen Eigentumsrechte muss effi zient austariert werden. Der temporäre Schutz gibt einerseits Anreize für weiteres Forschen, weil durch ihn Monopolgewinne erzielt...

Neues Wissen ist ein knappes ökonomisches Gut und stellt eine wichtige ökonomische Wachstumsdeterminante dar. Der Schutz der geistigen Eigentumsrechte muss effizient austariert werden. Der temporäre Schutz gibt einerseits Anreize für weiteres Forschen, weil durch ihn Monopolgewinne erzielt...

This paper explores survey data focusing on open source software supply collected from 170 Finnish software firms using descriptive statistical analysis. The first half of the report contains general data about software companies and the differences between proprietary and open source firms. The...

This paper presents a theory of vertically interrelated markets of identical fixed size under implementation of positive indirect network effects. By introducing two Salop circles, a two-sided market model is provided, where intermediaries of differentiated copyrights for intellectual property,...