There's more than one way to accomplish the goals of protectionists, and the different options are usually not created equal. Some economic policies have worse side effects than others to accomplish similar tasks.
In this case, I think that placing a tax on imports (tariff) is always preferable to an inflexible ban on imports. This is not an unusual approach in economics; it is in fact very common that economists recommend replacing bans with taxes. In fact, even the current administration, which is radical by modern standards, basically always prefers tariffs to bans.
In this case, I think that placing a tax on imports (tariff) is always preferable to an inflexible ban on imports. This is not an unusual approach in economics; it is in fact very common that economists recommend replacing bans with taxes. In fact, even the current administration, which is radical by modern standards, basically always prefers tariffs to bans.