Hey guys, I was wondering if it’s possible to apply as an Econ major then switch to a Business major (Marshall). Is the transition relatively difficult or do many people switch from Econ to Business? Also, is it easier to get into USC as an Econ major than as a Business major?
Thanks for taking the time to answer this! 
USC recommends applying to the major you want and not trying to “game the system” by getting into a perceived less-competitive major. They posted this on Facebook just a week ago:
Mythbuster: I’m interested in Business, but I’m applying as Undecided because that will give me a better shot at Admission. http://admissionblog.usc.edu/mythbuster-im-interested-in-business-but-im-applying-as-undecided-because-that-will-give-me-a-better-shot-at-admission/
From that post, my take is that a better strategy would be to apply to Marshall as your first-choice major, and Econ as your second choice.
Also, if you do decide to major in Econ (assuming you’re accepted), you’d have to go through an internal transfer process to get accepted to Marshall: http://students.marshall.usc.edu/undergrad/applying/
Alright, I’ll check out these links you’ve provided. Thank you so much!
I applied as an Econ major and was accepted (early, I got a scholarship) and sometime in May I called asking to be switched into Marshall… in early June I got an email that I was in! So it was a pretty easy process.
That being said, I didn’t get into the GLP (Global Leadership Program) since it was filled up by the time I got into Marshall— I think they choose based on the 200 highest SAT scores of accepted Marshall applicants, so I can’t say with certainty whether I would’ve made it either way. I wasn’t interested in the program, but in the case you are, it’s a Spring Break trip to China that involves a 2-credit class as well. Just consider that.
Also, if you get in as an Econ major and accept your admission, try to transfer ASAP. If you already start taking classes as another major and then switch into Marshall, you need to get at least a B+ in Microeconomics, which is one of the toughest Marshall classes hands down.
Good luck!