We examine the relationship between the deployment of broadband, which we classify as a general purpose technology, and the productivity of the deploying firms using panel data that comprises information on all the major local exchange carriers in the United States telecommunications industry...

Federal, state and local governments use a variety of incentives to induce consumer adoption of hybrid-electric vehicles. We study the relative efficacy of state sales tax waivers, income tax credits and non-tax incentives and find that the type of tax incentive offered is as important as the...