There are two possible biases with this approach. A ten-year government bond would tend to have a higher interest rate than a shorter-term government bond if the term structure was upward sloping, which was generally the case for Australian financial markets at the time. It is important to u...
–In 2003, to introduce a profitability benchmark before interest would accrue or be payable, and to add a 4.552% “interest premium” on top of the variable base rate in part to account for around $286m in interest which had accrued but which remain unpaid. –In 2009, to cha...