Exporting involves sunk costs, so some firms export whilst others do not. This proposition derives from a number of models of firm behavior and has been exposed to microeconometric analysis. Evidence from the latter suggests that exporting firms are generally more productive than nonexporters....

Exporting involves sunk costs, so some firms export while others do not. This proposition derives from a number of models of firm behaviour and has been exposed to microeconometric analysis. Evidence from the latter suggests that exporting firms are generally more productive than non-exporters;...