Business management is the study of decision making within an organization, whereas economics is the study of scarcity and resource allocation, both on micro and macro levels.
Mainly the Examination HL students do a policy paper which includes both qualitative and quantitative questions
No
For HL a B in History, Geography, or Business Studies recommended, as is at least a C in English and Maths.
Yes, but it is not recommended to do both at HL
An ability to do basic calculations and interpretation of numbers particularly for the quantitative sections of the course is necessary.