I would look at imports and exports over several years. That data is pretty complicated, since lots of things affect it. A single variable like a Buy European movement probably does have an impact, but measuring it this way won’t be easy.

Fair enough. If it keeps you warm, it’s worth it.

Better start practicing your Canadian then.

Educational material

Fjällräven used to make some pretty good winter coats in the 70s. Don’t know if they’ve managed to maintain that quality though. Not quite military grade, but high quality anyway.