The federal government pays private consulting firms hundreds of millions of taxpayer dollars every year. 

But can we really trust they're acting in our best interests and, if not, why are we outsourcing such a large amount of public sector work to them? 

Today, the host of Radio National's The Money, Richard Aedy, on the expanding PwC scandal, and whether it will change who the government does business with. 

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Richard Aedy, host, The Money, ABC Radio National and ABC listen app