Can regulation solve problems arising from a natural monopoly? This paper analyzes whether "unbundling", referring to … models and estimates a dynamic entry game to evaluate the effects of regulation, using a dataset for construction of fiber …-optic networks in Japan. The counterfactual exercise shows that forced unbundling regulation leads to a 24% decrease in the incidence …

We study the regulation of a firm which supplies a regulated service while also operating in a competitive, unregulated … (with price and quantity competition) and optimal regulation that involves an informational externality to the competitors …. Although joint conduct of the activities generates scope economies, it also entails private information, so that regulation is …

We study the regulation of a firm which supplies a regulated service while also operating in a competitive, unregulated … (with price and quantity competition) and optimal regulation that involves an informational externality to the competitors …. Although joint conduct of the activities generates scope economies, it also entails private information, so that regulation is …

good or service. Even if these firms are monopoly or oligopolies in their fields with huge economic rents, if they pass …

In this article, I analyze and compare the contributions of Dupuit and Walras on the natural monopoly of railroads … and Walras both concluded that railroads were better managed under the monopoly regime; however they drew upon different … perspectives. I argue that Dupuit was more pragmatic using the concept of “de facto monopoly” while Walras was more ideological …

industry. Of particular interest is the differential impact of economic regulation on the development of fringe competition in … local telephone markets. Empirical results reveal that local telephone markets with price-cap regulation have witnessed less … imply that the widespread adoption of price-cap regulation by state public utility commissions has contributed to the slow …

In a companion note (Antitrust vs. Sector-specific Regulation in Telecom: What Works Best?), we argued that while the … and institutions as instruments of economic regulation, some sector-specific rules and specialized implementing … interconnection. In the present note, we look in more details at the regulation of interconnection drawing from the experience of New …

vehicle industry, regulators should generally adopt a light-handed approach to regulation, encouraging a nationally … participating in the market for public charging, but they should not be given exclusive monopoly authority to provide public EV …

coordination. This paper examines three persistent sources of flawed coordination: 1) a regulation versus unbundling dilemma, 2 …