The existing literature on "two-sided markets" addresses participation externalities, but so far it has neglected pecuniary externalities between competing platforms. In this paper we build a model that incorporates both externalities. In our setup differentiated platforms compete in advertising...

For several years, an increasing number of firms are investing in Open Source Software (OSS). While improvements in such a non-excludable public good cannot be appropriated, companies can benefit indirectly in a complementary proprietary segment. We study this incentive for investment in OSS. In...

In this study we analyze how markets work in the Information Society. In particular we concentrate on three important markets: the software market, the broadcasting market and "technology markets" where intellectual property rights can be traded. All these markets are characterized by modes of...

The existing literature on "two-sided markets" addresses participation externalities, but so far it has neglected pecuniary externalities between competing platforms. In this paper we build a model that incorporates both externalities. In our setup differentiated platforms compete in advertising...

For several years, an increasing number of firms are investing in Open Source Software (OSS). While improvements in such a non-excludable public good cannot be appropriated, companies can benefit indirectly in a complementary proprietary segment. We study this incentive for investment in OSS. In...

For several years, an increasing number of ¯rms are investing in Open Source Software (OSS). While improvements in such a non- excludable public good cannot be appropriated, companies can bene¯t indirectly in a complementary proprietary segment. We study this incentive for investment in OSS....

The existing literature on "two-sided markets" addresses partici- pation externalities, but so far it has neglected pecuniary externalities between competing platforms. In this paper we build a model that incorporates both externalities. In our setup di®erentiated platforms compete in...

The existing literature on two-sided markets addresses participation externalities, but it has neglected pecuniary externalities between platforms. In this paper we build a model that incorporates both externalities. In our set-up, differentiated platforms compete in advertising levels and offer...

The existing literature on "two-sided markets" addresses participation externalities, but so far it has neglected pecuniary externalities between competing platforms. In this paper we build a model that incorporates both externalities. In our setup differentiated platforms compete in advertising...