they’re even making promises that could at the very least jack up inflation
his plan will permanently jack up inflation
to jack up: subir con el gato, levantar con el gato. Levantar algo del suelo utilizando un gato || To jack up the price or amount of something significa aumentarlo hasta un nivel no razonable/irrazonable o inaceptable. Subir, aumentar.
jack: gato (elevador)