Adjusting the supply of money and increasing government spending are the two methods available to the country of Pontivius to stimulate its economy. While both methods can create economic growth, increased government spending brings unemployed resources into use, producing extra output and income and benefiting the economy in the long run. Therefore, by increasing spending, the government of Pontivius will do the most that it can do to stimulate its economy.
Which of the following is an assumption on which the argument depends?