hich of the following will not increase short-run aggregate supply and therefore will not benefit the economy according to the classical economic model? This can also be phrased as "Which of the following will not shift the PPF out or to the right"? a) A technological advance allowing all workers to become more productive b) An increase in available land in our country c) An increase in government spending of $1,000,000 d) A major decrease in the price of imported oil