When the public provision of private goods is partial rather than universal, public supply may be supplemented by the entry of private firms in the market for the private good. The main purpose of this paper is to explore whether partial public provision helps or hinders aggregate access to the...

Success in innovation management of telecommunication products depends not only on sales, but also, and primarily so, on actual call times by subscribers (e.g. on their mobile phones). It is not only the purchase price that plays a major role for this type of service, but also call and rental...