The Reserve Bank of Australia has lifted its official interest rate by 0.25 percentage points in a move that could be the start of a series of interest rate escalations. The rise in the cash rate from 4.75 percent to 5 percent is expected to be followed by a further 0.25 percentage point increase next month and a similar rise early next year.The Reserve Bank of Australia has lifted its official interest rate by 0.25 percentage points in a move that could be the start of a series of interest rate escalations. The rise in the cash rate from 4.75 percent to 5 percent is expected to be followed by a further 0.25 percentage point increase next month and a similar rise early next year.The Reserve Bank of Australia has lifted its official interest rate by 0.25 percentage points in a move that could be the start of a series of interest rate escalations. The rise in the cash rate from 4.75 percent to 5 percent is expected to be followed by a further 0.25 percentage point increase next month and a similar rise early next year.The Reserve Bank of Australia has lifted its official interest rate by 0.25 percentage points in a move that could be the start of a series of interest rate escalations. The rise in the cash rate from 4.75 percent to 5 percent is expected to be followed by a further 0.25 percentage point iThe Reserve Bank of Australia has lifted its official interest rate by 0.25 percentage points in a move that could be the start of a series of interest rate escalations. The rise in the cash rate from 4.75 percent to 5 percent is expected to be followed by a further 0.25 percentage point increase next month and a similar rise early next year.ncrease next month and a similar rise early next year.