A methodology is developed and applied to compare the performance of publicly fundedagencies providing treatment for alcohol abuse in Maine. The methodology estimates aWiener process that determines the duration of completed treatments, while allowing foragency differences in the effectiveness...

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...