The consumer watchdog is set to ramp up hearings into the pricing strategies employed by the nation's biggest supermarkets. The ACCC public proceedings will be livestreamed with executives from Aldi, Coles, Metcash, and Woolworths to be grilled. The final report is set to be released early next year, but what does this all mean for your weekly grocery bill?

For more, Retail Academic Researcher Lisa Asher joins.