This paper focuses on self-selection into trade by exporting and importing firms, and on the presence of differential … heterogeneity across firms where only-importers (importers) perform better than only-exporters (exporters). They detect a self-selection …, the authors find that the self-selection effect associated with sunk costs is still present but greatly reduced with a …

they analyse whether the ex-ante most productive firms are those that start exporting (self-selection hypothesis). Finally …, to 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 …

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 …

for self-selection bias as well as certain important socio-demographic, socio-economic and volunteer-specific determinants …