<p>How hard would it be to change from computer science to bus. econ. as a freshman?</p>
<p>Impossible. Everyone has to take a few of the intro courses as a "pre-bizecon" major and then apply for it.</p>
<p>I think what he means is to declare yourself as a business econ major. You can "change" your major at orientation but you are only declared "pre-bus.econ" until your junior year.</p>