If all of those cites to ecnomic papers flashed by too quickly, don’t worry. You can find many of them in this paper written by Mitchell when he was with The Heritage Foundation:
Also check out current Heritage fellow Brian Riedl’s post on a similar topic:
Government cannot create new purchasing power out of thin air. If Congress funds new spending with taxes, it is simply redistributing existing income. If Congress instead borrows the money from domestic investors, those investors will have that much less to invest or to spend in the private economy. If Congress borrows the money from foreigners, the balance of payments will adjust by equally reducing net exports, leaving GDP unchanged. Every dollar Congress spends must first come from somewhere else.