Permanent, marginal, income and capital gains tax cuts work.
I love a proposal to suspend tax withholding for a quarter, then review and continue or stop. People would get money right away and then 1) spend them, boosting sales, etc or 2) put them into savings or buying stocks - boosting banks and financial markets.
Can’t be easier than that. Can’t be more expensive for the government than borrowing 1 TRILLION !!! dollars.