Asymmetries in statistics on International Trade in Goods
In many of these cases, the hypothesis was supported by mirror analysis carried out on data from Azerbaijan, Armenia and Turkmenistan, which showed similar asymmetries in trade data with the EU.
https://www.dst.dk/en/consulting/news-from-international-consulting/2021/19-10-2021-asymmetries-in-statistics-on-international-trade-in-goods