The link between greedy companies and rate rises

We've been speaking a lot about interest rates this year, and no wonder: there have been 12 painful rate rises in 13 months, with the RBA to meet again this week.  But why is it the only tool used to bring inflation under control?  Today, the ABC TV’s finance guy, Alan Kohler, on how ending price gouging could be a simple alternative.  Featured:  Alan Kohler, ABC TV news finance presenter