In the economics profession there is a fierce debate whether industrial and innovation policy should be targeted to specific sectors or firms. This paper discusses the welfare effects of such targeted policies from the perspective of strategic game theory of the firm. A theoretical case for...

We present a unified treatment of optimal trade policy for a small country. The well-known results for duopoly and competitive markets emerge as benchmark cases of our model. In addition, we show that changes in market structure have non-monotonic effects on optimal tariffs. Our results suggest...

Overview of the research findings / Stephen Tapp, Ari Van Assche and Robert Wolfe -- International trade with firm heterogeneity : theoretical developments and policy implications / Beverly Lapham -- Trade and productivity : insights from Canadian firm-level data / John Baldwin and Beiling Yan...