Apply your knowledge of the AD/AS model to predict the effect on economic variables (i.e., P, RGDP, interest rates, wages, savings and spending) of some events on the U.S. economy. Diagram the effect of the following events. Be sure to explain the effects in the short run and effects in the long run for each question, in words. To keep things clear, assume that in each case the economy starts out at long-run equilibrium.
d. Suddenly, foreign countries sell great quantities of important inputs such as steel and computer chips at very low prices in this country. Hint: the long-run effect will depend on whether the price decrease is permanent or not.