After an oil spike on Friday, the price of Brent crude has fallen - again - as this sort of energy volatility continues to shape the global economy. 

As we wait for the latest Consumer Price Index data from the Australian Bureau of Statistics on Wednesday, what knock-on effects of economic fickleness are already evident in the retail sector?

And as central banks begin to meet around the world this week, how will they calculate the price of this unpredictability as they make the call on monetary policy?

Daniel Ziffer and ABC News Business Editor Michael Janda break it all down on ABC Business Daily.

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