The availability and quality of broadband service in the United States has been elevated as a salient policy issue by the migration of both households and firms to online activities in response to the Covid-19 pandemic. This paper investigates the effects of entry by non-incumbent broadband...

The recent extensive study of vertical product differentiation models has allowed for the analysis of international trade issues in the presence of country asymmetries in terms of product qualities, technology, costs, market size and income. In the presence of such asymmetries, national...