If there is at least one university in the most underdeveloped country in the world then there must be the Department of Economics. if you fall into the economy you do not have to think about job opportunities. It is better to study economics at the undergraduate level and then move towards specialized while doing postgraduate and PhD. Because now almost everything is becoming specialized. So if you don't know about those specializations you will have to face problems later. Third world countries are dominated by both mathematics and economics. Mathematics and economy is very important for students to have knowledge of mathematics for accounting in investment and work.