This paper investigates the effect of the government’s ability to commit, or not, to a specific level of environmental policy instrument, or environmental innovation and welfare in imperfectly competitive markets. We that under monopoly if the government is unable to commit, and follows thus a...

We study firms' advertising strategies in an oligopolistic market in which both non-comparative and comparative advertising are present. We show that in equilibrium firms mix over the two types of advertising, with the intensity of comparative advertising exceeding that of non-comparative...