Writing a dissertation can be a tough thing for you but if you choose a topic you are genuinely interested in then it can become a little easier for you. When I was searching for dissertation topics in business management my number one criterion for choosing any topic is that I am interested in that topic and that one thing criterion took me forever to pick a dissertation topic. Finally, after struggling for days I found a topic all this time investment was worth it because then writing a dissertation on it was easy for me.