Hello,
.
Business school courses depends on your interest.
Its not that which has good income which has advantages..
Its all about your work.Bussiness obviously has pros and cons in each and every field.
.
Let me help you with some points on both accounting and management.
.
Management:
This teaches you how to distribute, acquire,manage funds.
you will gain knowledge in data analysis, financial accounting and finance.
They offer grounding in decision making and strategy and teach student how to work with others and improve skills.
.
Accounting:
It deals with reporting financial information to external users like creditors suppliers government agencies.
It is all about measuring, processing, classify and recording.
.
While coming to income i found more opportunities in management rather then accounting.
.
Even it varies from experience and type of work.
Until And unless you find intrest of particular wrok Don't select.Find your interest first.
.
I know this Answer will not help you fully.But you should be able to answer yourself  what are your  interests.Till then every Answer you will find will be not useful.
.
Hope your question is clarified.
If not please feel free to ask.Thank you