Rules-based trade made the world rich. Trump's policies may make it poorer
- Written by Amitrajeet A. Batabyal, Arthur J. Gosnell Professor of Economics, Rochester Institute of Technology

Nations sell goods and services to each other because this exchange is generally mutually beneficial.
It’s easy to understand that Iceland should not be growing its own oranges, given its climate. Instead, Iceland should buy oranges from Spain, which can grow them more...
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