Spinning off Coles is a great example of how good Wesfarmers is at entering and exiting markets.
Coles plans to compete with competitors by moving away from low prices to a focus on other attributes, such as sustainability, local produce and community.
Banning single-use plastic bags makes sense, as long as it doesn't usher in behaviours that are just as bad, or worse – like over-using heavier bags made of even more plastic.
The success of the plastic bag ban announced by Australia's big two supermarkets will hinge on whether they can persuade customers to change an engrained behaviour - without annoying them.
Moves by major to supermarkets to only offer plastic bags for a charge could make these businesses more than a million dollars a year, but it may only have a small impact on the environment.
For consumers of Australia's retail sector, choice and convenience will continue to emerge. For incumbents unable to deliver on these outcomes, the future is bleak.
The harm pokies cause is widespread and tends to affect those already under significant stress. $1 bets are a good first step toward reducing this harm.
More supermarkets are starting to stock "phantom brands"- private label products without any reference to the business' brand or logo.
It's a tough time to be a retailer in Australia, but there are some retailers that have found the formula for success.
The big supermarkets, Woolworths and Coles, will need to think of new strategies to compete with new chains such as Aldi which continue to steal market share.
Major food retailers say they are aiming for zero food waste - but are transferring the costs onto not-for-profit groups and suppliers.
It's not good to make law changes as a knee-jerk reaction, but in the case of insolvency and gift cards, it's time.
Convenience stores could be the next big focus for Australia's grocery retailing giants.
Coles and Woolworths' representation of "fresh" and "local" food reflects heightened interest among consumers about these values. But they also contributes to concerns about the supply chain.
Some say the only way to smash the Coles/Woolworths duopoly is more regulation and a consumer backlash, but this assumes all power is used for evil.
Farmers will get some extra help in the battle against the supermarket chains in the government's long-awaited White Paper on Agricultural Competitiveness released on Saturday.
While grocers slug it out with discounters, the South African owners of David Jones may be planning to exploit a gap at the upper end of the market.
The possible entrance of another German discount retailer - Lidl - is bad news for the supermarket giants and good news for shoppers.
Aldi is announcing trial stores that will attempt to capture more of the middle income market. But does it risk killing the golden goose?
Supermarket giants are predictably opposed to
Harper Review's effects test, but the report is a mixed bag when it comes to other retail competition issues.