The speaker argues that supply-side economic policies have failed to produce significant economic growth in the last 40 years.

“The problem with it is it never worked. And there are long roots to it in America the behind it in American history that I won't go into and bore you with now. But this this system had never worked. It never created extraordinary economic growth.”

Supply-side policies, such as tax and regulation cuts, are ineffective at building a strong economy compared to public investment.

“after 40 to 50 years of supply side economics and the idea that what we really want to do is cut regulations and cut taxes, it feels like we're seeing a return to the idea that in fact we should make investments in public infrastructure and we should make sure people carry their weight and we should”

Supply-side advocates are correct that tax cuts can stimulate revenue, but they are mistaken in believing that increasing revenue will reduce the deficit.

“My point is supplyers have misunderstood their own argument. They keep talking about incentives. Well, we need to reduce the penalization of work to to incent work. Okay, thumbs up to that. I'm I'm with you. But they they've said in concert with that that rising revenues will pay off the debt.”