Firm-product data provide information for various research questions in international trade or innovation economics. However, working with this data requires harmonizing product classifications consistently over time to avoid internal validity issues. The researcher must consider product code...

"This publication is a practical result of the cooperation between the Interstate Statistical Committee of the Commonwealth of Independent States and the EU Statistical Office (Eurostat), with the help of the Programme of Technical Assistance to the CIS countries (Tacis). The statistical...