The article discusses how countries have to trade to get what they need and sell what they make best. It talks about the importance of global trades and how free trade helps countries grow. The researchers look at how being open to trade can benefit countries. They also study how global linkages affect how countries trade. They find that countries which are open to trade do better in the long run compared to countries that are not. This shows that countries need to embrace free trade and global connections to succeed in the competitive world.