
Grocery prices at Coles and Woolworths go up and down. What's behind the pattern?
ABCIf you were to grab a box of Cadbury Favourites off the supermarket shelf, how much would it cost? The thinking behind high-low price changes Sanjoy Paul, an associate professor in operations and supply chain management at the University of Technology Sydney's business school, said these price movements were a retail strategy called "high-low" pricing. Sales prices condition consumers Dr Jericho said this pricing strategy had "groomed" consumers, locking them into shopping at Coles and Woolworths. "Every week there's a sale price on that item, and so if you're not in the game, you're not in the pattern," he said. The commission's interim report was released last month, which found consumers don't trust "sale price" claims from the two major supermarkets.
History of this topic

From price gouging to promotion tactics, here are the key takeaways from the ACCC's supermarkets report
ABC
Woolworths and Coles are emphasising the threat of Aldi — is it really a competitive force to be reckoned with?
ABC
Aldi boss explains why their groceries are so much cheaper - as he takes a swipe at Coles and Woolworths
Daily Mail
Aldi is still cheaper than Coles and Woolworths, which are 'almost identical on prices', Choice survey finds
ABC
ACCC report finds Australians have lost trust in supermarkets as it focuses on Coles and Woolworths' market power and barriers to entry
ABC
Aldi crowned by Choice as Australia's cheapest supermarket
Daily Mail
Coles and Woolworths accused of 'sneaky' tactic impacting Australian shoppers
Daily Mail
Coles and Woolworths hit with more reputational damage after year of negative headlines
ABC
Coles and Woolworths promised discounts for years. Now the ACCC alleges they 'misled' customers on more than 500 products
ABC
Woolworths and Coles accused of disgraceful act
Daily Mail
Woolworths boss walks away from the supermarket with multi-million dollar payout as Oxfam declares Aussies are fed up with Woolies and Coles duopoly
Daily Mail
Alarming trend emerges at Coles and Woolworths
Daily Mail
Woolworths, Coles and Aldi accused of using promotional labels that confuse and may mislead supermarket shoppers
ABC
Supermarket price gouging: Rise in farmers selling directly to customers
Daily Mail
How did Coles and Woolworths become so powerful? The story of the big two supermarkets
ABC
There are multiple inquiries running on the climbing price of groceries. Here's what they are examining
ABC
The tactics Coles and Woolworths use to maintain their power over Australia's grocery market
ABC
Super Power: The cost of living with Coles and Woolworths
ABC
Supermarket industry insiders reveal how Coles and Woolworths profit off rising prices
ABC
Supermarkets as you know them are disappearing from our inner cities — and it means more uncertainty about what you'll pay
ABC
Coles and Woolworths make their defence on supermarket prices to Senate inquiry
ABC
Coles and Woolworths set to face a Senate inquiry. NZ has been down this road before
ABC
Greens move to establish Senate inquiry into allegations of price-gouging by Coles and Woolworths
ABC
More Australians shopping for groceries online to ensure they're getting value for money as cost-of-living pressures remain
ABC
Coles is called out over price of 'tiny' grocery haul - as female tradie breaks down in tears over Australia's skyrocketing prices
Daily Mail
Woolworths posts massive profit of $1.62billion - as it warns Aussies prices will keep rising
Daily Mail
Coles and Woolworths items Aussies have stopped buying
Daily Mail
Coles and Woolworths food prices rise by 9.6 per cent in past year, outpacing inflation rate
ABC
Coles, Woolworths profit surge raises questions over inflation profiteering
ABC
Supermarket prices surge and there's more inflation to come, warn analysts
ABC
Woolworths reduces the price of 400 items in its stores Australia-wide
Daily Mail
Single Woolworths receipt exposes how much prices have risen
Daily Mail
Woolworths reveals hacks for saving money on your next shop
Daily Mail
Aldi, Coles and Woolworths are put to the test to find the cheapest grocery basket for Christmas
Daily Mail
Coles joins Aldi, Woolworths raising price of milk, but benefit to dairy farmers unclear
ABC
Popular brands go to war with Coles and Woolworths as customers question empty shelves
Daily Mail
Minister who called for Coles boycott over $1 milk owns Woolworths shares
ABC
Coles and Woolworths fundraising for drought stricken farmers as 'a media stunt' after milk 'farce'
Daily Mail
How Aldi went from cheap to savvy thanks to an error by Coles and Woolworths
Daily Mail
'Down Down' and 'Cheap Cheap' are gone gone: Coles, Woolworths moving away from 'supermarket price wars'
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