In a winner-take-all duopoly market for systems in which firms invest to improvetheir products, a monopoly supplier of an essential system component may havean incentive to advantage itself by technological tying; that is, by designing thecomponent to work better in its own system. If the...

Optimal regulation, subject to informational constraints, is analyzed for industries for which production requires complementary inputs. An issue for regulatory policy is whether supply in these industries should be "bundled" or "unbundled." Bundled supply calls for regulation of an integrated...

In a winner-take-all duopoly market for systems in which firms invest to improve their products, a monopoly supplier of an essential system component may have an incentive to advantage itself by technological tying; that is, by designing the component to work better in its own system. If the...