I propose an empirical model to analyze product differentiation and oligopoly market structure. The model endogenizes firms' product-type decisions, measures how effects of competitors differ depending on their product types, and can incorporate alternative specifications for the product choice...

Barriers to outsourcing that are being currently implemented in the US effectively tax its companies who export jobs through outsourcing. The objective is to raise domestic employment. Given that many of the important international markets where the US has a comparative advantage feature...