The architect of Australia’s last major tax reform push, Ken Henry, has urged Anthony Albanese and Jim Chalmers to revive a flatlining national reform agenda, arguing that significant change is possible with courage, creativity and political persistence.

As Dr Chalmers draws a line under further tax reform after winding back the Morrison government’s planned stage three tax cuts, the veteran economist and tax expert argued that reform was still possible if the government had the temerity to pursue it.