May be a reason to reduce rates
Index of Commodity Prices
"Over the past year, the index has fallen by 11.6 per cent in SDR terms. Much of this fall has been due to declines in the prices of coking coal and iron ore. The index has fallen by 16.3 per cent in Australian dollar terms over the past year."
Source:
http://www.rba.gov.au/statistics/frequency/commodity-prices/2012/icp-1112.html
