Brad Olsen: Infometrics Principal Economist on supermarket supply costs rising, cost of living for voters

It's good news for supermarkets: In the year to March, supermarket supply costs have risen by 2%. 

However, a survey out this morning shows that one in four people are struggling financially and the cost of living remains the main issue for voters. 

Infometrics Principal Economist Brad Olsen talks to Mike Hosking about the survey. 

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