We present a potentially benign naked exclusion mechanism that can be applied to sequential innovation; a non-patentable original innovation by the incumbent supplier fosters derivative innovation by rivals. In the absence of an appropriate legal framework, the original innovator's equilibrium...

The argument that import protection can become export promotion is examined from the marketing standpoint. The cornerstone of the analysis is the presence of horizontal differentiation. In the model, protection by the home government allows domestic firms to sell their products to the portion of...