A semiparametric varying coefficient model is used to explore the heterogeneity in returns to export promotion across countries. Differences in characteristics of export-promotion agencies drive the heterogeneity in returns. Interestingly, characteristics that matter for export growth do not...

The role of international trade was irreplaceable at the start of the COVID-19 pandemic crisis, especially the trade in medical supplies and food for all affected countries. Trade as a part of this crisis, certainly should not be an element of further countries' closing and new trade barriers...