Answer:
B. more open economies have grown more rapidly than those that have imposed substantial barriers restricting trade.
Step-by-step explanation:
- Form the point of the advanced economies the presence of the high trade barriers has made due to the tariff reductions and have been the important drivers of the productive growth in the past.
- While the trade barriers in these advanced nations reductions have lead to the increase of the productivity gains in various sectors of the economy. An open market economy has large growth in the GDP and is an indicator of the health of the country.