For each scenario, please decide whether there will be an increase, decrease, or no change in aggregate demand. Macmillan Learning a. The United States government decides to increase the b. The newest release of the Consumer Confidence Index federal tax rate by 4% for all earners. shows a steady increase in consumer confidence about the economy. c. A manufacturing boom during the late 1990s has d. The Federal Reserve, the agency charged with created an oversupply of tractors, a necessary implement regulating banking and monetary policy in the United in agricultural production. States, decides to increase the amount of money available in the economy