Yes, I think so. We call those our rules of thumb. In fact, in the budget you can find rules of thumb for what would happen if nominal GNP fell by...or real GDP fell by, inflation.... There are those rules of thumb that we use—
Evidence of meeting #52 for Finance in the 41st Parliament, 2nd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was infrastructure.
A video is available from Parliament.