Case studies that are easy to introduce are products that are easy to transport
The image of a movement person is that of a merchant.
Trading merchant / trader.
But there are other ways to get involved in the trade process other than by moving yourself.
Development of products that are convenient for merchants
Sugarcane is not exported directly but processed into sugar before exporting.
That's because it's more "compact".
High value per mass
High value-added
Examples that are easy to introduce are products that are easy to transport.
And unlike physical goods easy to reproduce.
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