please see the 3 documents attached 1- The disseration handbook it suggests how the research proposal  is supposed to be with all the guidelines please go through it carefully. 2,3- is the sample disserations how the paper is supposed to look like please see both the papers.
The topic an be anything where you can get maximum informationt it should be related to luxury field may be in fashion, services, goods, management,digital media/social media/ marketing but it should be LUXURY RELATED. the paper cannot exceed 15500 words that excluding mentioned in the handbook.
PLEASE SEE THE HANDBOOK AND THE SAMPLE REPORTS ATTACHED AS WELL IT IS VERY IMPORTANT TO DO THE RESEARCH PAPER.