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<p>Can’t see why not. CS courses with programming (most of them) or hardware design (150/152) are the heavy workload courses; CS theory (70/170/172/174) and economics courses are not generally heavy workload courses. So if you don’t take three or more CS courses with programming or hardware design at the same time, you should probably be fine.</p>
<p>Those successful at CS will be good at math, so one would think that any CS major doubling with economics would choose the “more math” version of economics (someone good at math may find the “more math” versions of the economics courses more interesting and easier to understand).</p>
<p>But one question to ask is what your goals are in terms of adding the economics major. Depending on your goals, taking selected economics electives (and perhaps math and statistics also) rather than an entire major may be sufficient.</p>