Taking 340 Before or After Econ 441, 442:

After taking this course, Econ 340, it is OK later to take Econ 441 and/or Econ 442, even though they cover some of the same material.

It IS also OK to take this course, Econ 340, after (or while) taking Econ 441 and/or 442, although you should expect some duplication in the material covered. This course is not primarily about building and using economic models, while those courses are. Therefore I don't think that having them gives you any great advantage here. On the contrary, you may be at a bit of a disadvantage, since you will be inclined to make questions more complicated than they are intended to be. But if you want to take this course, I won't stop you.

There is plenty of space in the course, so you should not have difficulty enrolling. If you do have difficulty for some reason, e-mail me at alandear@umich.edu and explain.