Indeed, if Arthur was willing, the total scale of industry could still be increased dramatically. However, with the Great Depression about to strike in history, unlimited industrial expansion was not a good idea at this time. It would be better to restrict it to a controllable range so that any crisis in the future could be addressed promptly.
Both food production and meat output from animal husbandry were continuing to grow; under normal circumstances, these two industries would maintain steady growth, so there is no need to elaborate further.
According to various data, 1922 was a year of peaceful development for Australasia.
The development of all data was stable, making Australasia a rather unique country worldwide, completely unaffected by the turmoil elsewhere.
Australasia even made a small fortune in the arms trade, thanks to the Philippine War nearby.