and quantity competition) and also optimal regulation. Accounting for the several effects of regulation on the unregulated …We study the regulation of a utility firm which is active in a competitive unregulated sector as well. If the firm … market, we show the existence of an informational externality, in that regulation provides useful information to the rival …

--induced certification acts as an inspection device, whence seller--induced certification acts as a signalling device. Seller …

important channel in the flow of information and may be consistent with models of limited competition among informed insiders …. They are unlikely to be consistent with models of optimal regulation. …

Many utility markets are now being opened to competition, and some regulators have expressed the hope that this will … make the regulation of consumer prices unnecessary. In this paper, entrants offer (differentiated) 'added value', but … level of its costs. This is likely to be the case in the UK's energy industries, but competition may be able to replace …

technology (cable) which is not subject to regulation, and what we discover is that inter-platform competition has a positive … positive impact on the quality of the service provided. We also assess the impact of competition from an alternative form of …

television regulation in light of these developments. It surveys the dismal empirical record on the effects of price regulation … in cable and the more encouraging but incomplete evidence on the benefits of satellite and telco competition. It …

Starting in 1998, the electricity market in England and Wales will be opened up to full competition, and all consumers … transactions costs exceeding £100 million a year for the first five years. Relative to a counterfactual without competition, there …