This paper shows that optimal trade policies for vertically related markets depend crucially on production technology. By employing a production function with variable-coefficient technology, it shows that return to scale is crucial in determining the direction of government intervention....

The existing literature shows that a decrease in the degree of substitutability increases a monopoly’s incentive to bundle. This paper in addition takes into account competition in the second product market and then re-examines how intra-brand and inter-brand product differentiations affect...

type="main" xml:id="ecor12112-abs-0001" <p>This study examines a foreign firm's entry decision and its effects on the host country's welfare in a model with a composite good in which both commodity and service generate utility for consumers. Along with the commodity it produces, a producer can...</p>