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<p>Yes, more so at Berkeley, where you can do CS in L&S where economics also is. Follow the basic plan for taking the major prep and breadth/IGETC courses for a CS major; in your social studies breadth courses, take the introductory economics course(s). The other requirements for economics are typically math courses which should mostly overlap with the math courses for CS. It is possible that a statistics course is needed in addition.</p>