The disposition effect
Everything adds up to about 30 pages, it including reference, and some figures such as a table. Topic is about the disposition effect, mainly to read more literature and summarize the comparison, the most important that I need focus on their content understanding, and more is better. Documents only one example for my structure of dissertation, but the journal reference related content could be used; you can also use Google or Scopus search for some relevant recent journal.
My structure your dissertation around the disposition effect as a detailed literature review that will include: i) a section on empirical studies that use stock market data; ii) a section on findings that come from experimental data; iii) a section that discusses the similarities and differences in these studies and highlights the convergences and divergences; iv) a section that explains why the disposition effect reflects non-rational investment behavior and what are the key ideas in some models that could explain it (e.g. prospect theory).