Donald Trump's return to the White House with his protectionist policies poses threats for the global economy, with the prospect of new trade wars, resurgent inflation and slower growth, experts say.

As the US looks further inwards, the rest of the world must learn to work together and forge new routes to prosperity and climate goals.

A recent KPMG analysis contends that if all of Trump’s policies are implemented, Australia’s economic growth would be between 0.8% and 1.5% lower than it would otherwise have been: a projected loss of between $19 billion and $36 billion.

President-elect Trump's economic agenda for his second term in the White House will include some old and new policies compared to his first administration.

One of the biggest issues in this year’s election was the economic anxieties facing many Americans. But can Donald Trump really do anything to fix these patterns?