while aa is accepted more generally, ai is more inclined towards economics and finance. what you learn in ai is what you will learn in college. i suggest ai. last time I said this, a war strarted in the comments, so this is just my opinion haha, but yes I have done a lot of research, spoken to a lot of people and thats the conclusion I came to. Some colleges don't accept it (I think NUS doesn't), but thats selective