Two useful websites:

The first allows you to compare two countries on just about any data set you want:

http://www.nationmaster.com/au

The second is a specialist economics search engine, for those tricky research items you will be undertaking:

http://ese.rfe.org

I did a search for "market monetarism" - a tricky concept you won't study at A level, but which may have a place in government policy before long - and got this result:

Another great tool for you to use.