Graph 2  Real Neutral Interest Rate Average of the model estimates %  %  4  4 Model-average  2 0  0  Range of available estimates*  -2  -2  Real cash rate (ex ante)**  -4  Real cash rate (ex post)***  -6 1992  1997  2002  2007  2  2012  2017  2022  -4 -6  * **  Range of central estimates corresponding to available models.
The ex-ante real cash rate is deflated using expected inflation; December quarter 2022 value is a preliminary estimate. *** The ex-post real cash rate is deflated using year-ended trimmed mean inflation; December quarter 2022 value is a preliminary estimate. Source: RBA  How has it changed?