A welfare-maximizing Public Service Broadcaster (PSB) broadcasts both information-type and show-type content if (i) the information consumption of TV viewers generates external benefits for society by improving the ability of voters to control politicians and (ii) the marginal external benefits...

Viewer's private information consumption generates external benefits for society, because information improves the ability of voters to control politicians. Our study compares two settings in a free-to-air TV market: a differentiated duopoly of private channels and an oligopoly with both private...

This article shows that in the presence of environmental externalities, it may be welfare enhancing to overcome a technological lock-in by a deadend technology through governmental intervention. It is socially desirable to subsidize a dead-end technology if its environmental externality is small...