The Choice Is Yours: Professional MBA (PMBA) Electives and Concentrations Unlike some other part-time MBA programs, the Cox PMBA allows you to concentrate your studies in subjects like Finance, Accounting, or Marketing. In fact, students may concentrate in one of nine areas of specialization, as well as pursue less time-intensive minors, for a truly customized academic experience. With flexible schedules, including evening and weekend classes, the Cox PMBA lets you continue to work while earning your degree and see immediate results by applying what you learn in the classroom