The Prime Minister has argued reducing taxes for everyone, including the wealthiest, will help boost growth and therefore benefit all Britons.
Ms Truss’s bold keynote speech making the case for her economic agenda comes less than 24 hours after the US President appeared to take a veiled swipe at her proposals.
Mr Biden said on social media: “I am sick and tired of trickle-down economics. It has never worked. We’re building an economy from the bottom up and middle out.”
Foreign Office minister Gillian Keegan rejected suggestions the Government’s plan was “trickle-down economics”.
She told BBC Breakfast: “You know, we’ve just put a massive package in place, which the Chancellor will outline the cost of that and how we’re going to deal with that.
“But it is massive, the package we put in place to make sure that we support people at this time.