Figure 1-1 Price D1 D2 Quantity Question 15 Not yet answered Points out of 1.00 Flag question The shift from D2 to D1 is called Select one: Oa. an increase in overall demand Ob. a decrease in overall demand (c. adecrease in quantity demanded (Od. anincrease in quantity demanded Question 16 Not yet answered Points out of 1.00 Flag question The movement along D2 could be caused by Select one: Oa. an increase in price Ob. a decrease in the price of a complement c. a technological advance in production Od. a decrease in the price of a substituteQuestion 17 Mot yet answered Points out of 1.00 Flag question If the demand curve shifts from D2 to D1, then Select one; Q- Ob. Oc. Qd. firms would be willing to supply less of the good than before at each possible price people are willing to buy less of the good than before at each possible price people's incomes evidently have increased people are willing to buy less of the good than before at each possible price