A group of academics has challenged the mantra of governments since the 1980s that the provision of housing is "best left to the market", saying this will no longer wash.

They say the government intervenes on the housing market on a huge scale through tax concessions, such as negative gearing. “Unfortunately, these interventions largely contribute to the housing unaffordability problem rather than its solution,” the group has told the Conversation online magazine. They say while action to maximise supply is…