An ecological view of Trump’s trade war
A reduction of scope means that occupational niches which arise specifically to facilitate trade in shipping by land, sea and air, manufacturing for export, warehousing, finance, insurance, government employment (such as customs officials and coast guard forces) and other trade-related occupations, all are endangered when the scope of their activities is reduced as a result of new trade restrictions.
To understand what this means, we need to understand the flipside of scope reduction, scope enlargement. From an ecological perspective the increase in world trade over the last few centuries has in a manner of speaking allowed local populations to escape the tyranny of Liebig’s Law of the Minimum. In the mid-19th century, Justus von Liebig observed that plant growth was strictly governed by the least available of a plant’s necessary nutrients. Adding other essential nutrients simply wouldn’t overcome the limitation imposed by the least available one.
In the absence of trade, Liebig’s Law acts like a brake on a local community, preventing it from expanding beyond the carrying capacity afforded by its least available essential resources. In dry areas, it might be water. In others it might be arable land. In yet others farmland might be plentiful, but a lack of metal mines might prevent the widespread use of metal tools that could enhance agricultural and manufacturing productivity.
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