Generally, if inflation is seen to be increasing at a rate that is disproportionate to the health of the economy - or basically growing faster than it can sustain - then official rates may be raised to in order to reduce consumer spending and slow down the economy.
Alternatively, if inflation is not increasing at a healthy rate, the official rate may be lowered to give a boost to the economy. Unemployment Rate
Measures the percentage of the workforce that is currently employed which is measured monthly. Higher unemployment means that business confidence is low which may be a result of a slowing economy. This may result in stable or decreasing official rates. Consumer Price Index
Measures the change in the prices of a fixed basket of goods and services which can be categorised as normal day-to-day household purchases such as milk, bread, petrol etc.
This is quoted as a percentage monthly change and considered as a benchmark for changes in inflation. If prices of up or remain strong suggests a strong economy. If prices rise quickly means inflation is on the rise and the RBA may consider raising official interest rates. Retail Sales
Measures the change in monthly retail sales based on figures received by retailers. If sales are down, it is generally sign that consumer spending / sentiment is down which may be the signs of a slowing economy and vice versa.
Although the above factors are determinants in the direction of interest rates, it is not an exhaustive list and the RBA also looks at global and local economic