On one hand, the Democrats have a history of managing the economy correctly with moderate fiscal responsibility, maintaining social services, and pushing back on corporate excesses and warmongering. The last time we had a balanced budget was Clinton's.
On the other hand, Republicans claim they are better for the economy, although they are the ones that constantly crash it, do the most to worsen the debt and deficits, and take away living standards for the average American.
So who's better for the economy? It's so hard to tell.
Showing the deficit is better than debt.
When you look at deficit you can see it spiked in 2008 and then came down under Obama. Not to the level before, but it came down pretty well. Then with Trump, before Covid, the deficit was going up quite notably. That was from his tax breaks. Then it really spiked with Covid. So I think we can say a lot about Trump's policy and deficit.