Here are some business disciplines where you can gain a job using an interdisciplinary degree. 1. Loan processing. 2. Public relations. 3. Marketing. 4. Human resources. 5. Sales. 6. Purchasing. 7. Training. 8. Banking. However, a major in interdisciplinary studies gives you a flexible degree specifically oriented to your career goals. The Bachelor of Science in interdisciplinary studies is a rigorous science-based degree intended for students who wish to combine science with other interests such as business, psychology, humanities or social sciences.