Part 2 One choice that must be confronted by all investors, individual as well as institutional, is the degree to which the portfolio will be actively versus passively managed. Managed fund managers can use two different investment styles active management and passive management. Contrast active management versus passive management as investment styles of fund managers. In your evaluation, consider the role of their beliefs about market efficiency. In your answer, you must consider the fund management styles in a way to highlight differences (contrast) between the two styles. You should also consider the role of a belief in efficient markets or otherwise applied to each management style