Not sure what you mean by "common industry". In broadest terms your employment would either lean towards business solutions or technical solutions. Business s

Not sure what you mean by "common industry". In broadest terms your employment would either lean towards business solutions or technical solutions. Business solutions typically involve money (even if indirectly) and technical solutions solve a particular problem, control a car, a rocket, a chemical plant, etc. Another source of ideas is to look at "additional questions" in your text books, etc and see if any of those appeal to you. At the undergraduate level, you are only required to demonstrate that you can apply your knowledge to solve a problem. The scale of the problem has to fit within the time constraints of the unit(s) that your dissertation demands. It is very risky to take on something too large as you may over-invest in that work and neglect other subjects. Based on your additional information, I would suggest that you identify a need / problem in the field that most appeals to you. Ask around, friends, family, friends of family, etc. Almost everybody knows of some problems. Make a list of the ones that most appeal to you. Sketch out solutions for most of them and discuss your list with your dissertation advisor.