As depicted in the above graph, Pigou argued that lower prices would the purchasing power of the public's savings and thus result in a level of spending. Complete the following statement to accurately explain the Keynes's interest rate effect. Lower price levels bring on interest rates and thus a level of total spending. Complete the following statement to accurately explain the foreign trade effect. If U.S. prices rise relative to the world prices, U.S. exports causing in total output leading to in the level of real spending