I applied for Economics and managment, I have not recived a offer yet but If I do I would like to switch to economics and computer science, will this be an issue?
just e-mail them or call to find out about changing courses. it may well be an issue as your preferred course may already be full with potential offers or they may just not like you as much for that course. if it's similar then you may not have a problem but best to e-mail/phone as soon as you get your offer or now even, before they give it to you because then they can just consider you for the other course straight away.... get in contact now mate