One of the great ironies of Donald Trump’s election victory is that policy solutions he espouses are likely to worsen the problems he’s purporting to solve. Those trying to bring Australian grocery prices down face the same problem, if Monday’s evidence to the ACCC supermarkets inquiry is anything to go by.

Just as Trump’s tariffs, tax cuts and restriction on immigration will likely inflame the inflation problem he campaigned so hard on, Aldi’s appearance at the supermarket inquiry suggested that the Coalition’s threat to break up the supermarkets would push prices up, not down.