[Eridrus]

Food can be shipped though, so there's a cap on how high wages can rise unless you start adding import taxes.

[GFischer]

The U.S. uses import caps instead of import taxes to protect the local farmers and ranchers. My country and Argentina and Australia would sell them all the meat they could otherwise.

Europe does the same. So yes, farmers and ranchers are protected by import restrictions.

[crdoconnor]

...which is what Japan does.