techniques to assess whether the ex-ante most productive firms are those that start exporting (self-selection hypothesis … control for the possibility that selection into exports may not be a random process. Their results confirm the self-selection …

This paper focuses on self-selection into trade by exporting and importing firms, and on the presence of differential …-exporters (exporters). The authors detect a self-selection effect for both importing and exporting firms with a stronger effect for …. When taking the tariffs faced by firms into account, the authors find that the self-selection effect associated with sunk …