This may be why a relatively large number of very small firms are not growing,[10] and the resulting resource https://www.ecb.europa.eu/press/key/date/2019/html/ecb.sp190907~81df41228e.en.html  1/4  9/9/2019  Growth and competitiveness in the euro area  misallocation may contribute to the productivity gap across countries.
International trade in goods, services, and assets are the chief means of facilitating that interaction. And those interactions and connections in recent decades have become stronger. To some extent, we can credit good national policy making for this.