scruge

I honestly cannot say because I haven’t passed CFA Level 1 yet (waiting on my results), but I would have thought that the CFA curriculum is designed in levels because it progressively builds on what was learned in previous levels.
Infact, I know that this is the case with certain sections (if not the whole thing) because the Schweser videos for some of the topics referred to what we would be building on from Level 1 in Level 2.
I cannot be certain for Economics, someone who is a Level 2 candidate will have to tell you. But I imagine the answer will be to cover the material from Level 1 again if you don’t have a good grasp of it.