The law described above is a 4. buy-national legislation
There are several ways to limit trade of foreign goods in a country such as:
- Tariffs
- Import Quotas
- Buy-national laws
Buy-national laws are regulations passed by a government that prohibit people and companies in that country from being able to buy certain goods from outside.
They have to buy the goods from producers within the country and this is similar to what the German government did in this case so we can conclude that this is a buy-national legislation.
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