Long term projections are by their very nature challenging to prepare. They are very dependent on the assumptions that are made. Dealing with future risks and uncertainties is also crucial. In the recent Productivity Commission Draft Report Superannuation: Assessing Efficiency and Competitiveness there is considerable use of projections. A number of the projections and the cameos they support are key to the draft recommendations that are made. While the cameos and associated recommendations have been extensively canvassed in the media and in public debate, to date public discussion of the assumptions used and the plausibility of the projections has been quite limited....