This is a proceedings paper with no abstract. The paper uses a dual approach to trade to analyze the implications of partial market integration in output and input markets on traditional measures of protection for policy distortions

We construct a theoretical model of the dynamic processes (firm entry, growth, decline, and exit) that underpin the determination of a limiting firm size distribution (FSD). In particular, we model such dynamic processes using key structural parameters; sunk cost, exogenous entry constraints,...