Why MBA Applicants Should Research Concentrations

"At some graduate business schools, MBA students are required to choose a concentration or specialization, but at other schools, declaring a major is optional.

Business school professors and admissions consultants say MBA applicants who have a clear career goal in mind should choose b-schools that offer formal concentrations or specializations in this discipline or provide multiple elective courses in the field. For instance, MBA applicants who want to develop technical expertise in finance may prefer a school with a finance or accounting major or they might look for a school that offers numerous financially oriented elective courses.

In contrast, MBA applicants who aspire to become generalists rather than specialists should look for a business school with a variety of courses where they either do not have to declare a major …" …

https://www.usnews.com/education/best-graduate-schools/top-business-schools/articles/2018-03-22/consider-mba-concentrations-when-choosing-business-schools