I would echo Ms. Cover's words. The one important lever that can help to address risk is the ability to vary benefits when needed. Inflation seems to be the one that is the most often targeted for that, but it's quite effective.
Evidence of meeting #53 for Government Operations and Estimates in the 42nd Parliament, 1st session. (The original version is on Parliament’s site, as are the minutes.) The winning word was post.
A video is available from Parliament.