As a result, trade flows of intermediate inputs increased almost threefold8 from 1990 to 2015.
Supply chain linkages intensified at a faster pace and were more resilient during the crisis compared with supply chain linkages with countries outside the Single Market.9 Second, the adoption of the acquis communautaire led to a more predictable legal environment and high-quality regulatory framework, which have increased investor confidence and contributed to a rapid inflow of foreign investment and technology.