If investment spending were to increase, and every other spending remained constant, then what will happen as a result in the aggregate demand and aggregate supply framework? Aggregate demand will decrease. Aggregate demand will increase. Aggregate supply will decrease. Aggregate supply will increase. Which of the following is a key function performed by the private bank? It transfers money from savers to borrowers through loans. It creates money by printing more money at will. It creates money as it lends its required reserve. It is not obligated to return money when customers withdraw from their accounts. Which of the following holds true for money demand curve? It is negatively sloped as people wish to hold more money at high rates of interest. It is vertical as the demand for money is fixed. It is negatively sloped as people wish to hold less money at high rates of interest. It is positively sloped as people wish to hold more money at low rates of interest. Money serves various purposes in a market. Which of the following statements about money's purpose is true? The use of money makes market transaction more difficult compared to a barter economy. The use of money makes market transactions more efficient. The use of money discourages efficient division of labor. The use of money makes saving more difficult, as it tends to lose value drastically over time