<p>Also 311 is actually enlightening and assists in the construction of models whereas 301 is basically a bunch of memorising. Quantitative analysis is just so much more useful – and helps along with internships (finance or social science-related). </p>
<p>I know a friend who got picked up as an intern by a hedge fund after her first year (admittedly she was a CS major to begin with) after taking an equivalent form of ECON 311 at MIT. Well (along with other things) it allowed her to work on improving models that now manage billions of dollars in daily transactions.</p>