An overwhelming share of international trade is conducted by large firms that manufacture a broad variety of products instead of specializing in a limited set of goods. These multi-product firms typically concentrate sales in a few core products that generate the majority of cross-border flows and firm export profits. This briefing establishes new facts about multi-product firms using detailed customs data for China.
Manova, K.; Zhang Zhiwei. Multi-Product Firms and Product Quality. (2012) 2 pp.