Yes, the majority of universities permit students to double major under a BA program, but it must be planned carefully. A double major involves completing the requirements for two separate areas of study, which in some cases overlap, so it is easier to handle. But this also involves taking extra coursework, which could prolong the length of your degree or mean heavier semester loads. Some universities have limitations on combinations, so it is best to refer to your institution's policy.
A double major can increase job prospects, providing interdisciplinary training that is attractive to employers. For example, a BA in Economics and Political Science can lead to careers in public policy or finance. Nevertheless, it's essential to weigh the workload and if both subjects match your career objectives. Some students might feel too much pressure managing the workload of two fields, so academic advising is advisable. If well-planned, a double major can be very enriching and offer a competitive advantage in the labor market or further studies.