Trump's Tax Cut Plan Will... Pay... For... Itself!: ...Treasury Secretary Steven Mnuchin said ... tax cuts ... would come close to recouping all of the lost revenue from the dramatic rate reductions.... “The plan will pay for itself with growth,” Mnuchin said at an event hosted by the Institute of International Finance.
...here's a chart showing income tax receipts following the five most recent big changes to tax rates. You can decide for yourself if tax cuts pay for themselves or if tax increases tank the economy.