127. What would happen to the equilibrium price and quantity of lattés if coffee shops began using a machine that reduced
the amount of labor necessary to produce them?
Both the equilibrium price and quantity would increase.
Both the equilibrium price and quantity would decrease.
The equilibrium price would increase, and the equilibrium quantity would decrease.
The equilibrium price would decrease, and the equilibrium quantity would increase.
128. Saddle shoes are not popular right now, so very few are being produced. If saddle shoes become popular, then how
will this affect the market for saddle shoes?
The supply curve for saddle shoes will shift right, which will create a shortage at the current price. Price will
increase, which will decrease quantity demanded and increase quantity supplied. The new market equilibrium
will be at a higher price and higher quantity.
The supply curve for saddle shoes will shift right, which will create a surplus at the current price. Price will
decrease, which will increase quantity demanded and decrease quantity supplied. The new market equilibrium
will be at a lower price and higher quantity.
The demand curve for saddle shoes will shift right, which will create a shortage at the current price. Price will
increase, which will decrease quantity demanded and increase quantity supplied. The new market equilibrium
will be at a higher price and higher quantity.
The demand curve for saddle shoes will shift right, which will create a surplus at the current price. Price will
decrease, which will increase quantity demanded and decrease quantity supplied. The new market equilibrium
will be at a lower price and higher quantity.
129. The market for diamond rings is closely linked to the market for high-quality diamonds. If a large quantity of high-
quality diamonds enters the market, then the
supply curve for diamond rings will shift right, which will create a shortage at the current price. Price will
increase, which will decrease quantity demanded and increase quantity supplied. The new market equilibrium
will be at a higher price and higher quantity.
supply curve for diamond rings will shift right, which will create a surplus at the current price. Price will
decrease, which will increase quantity demanded and decrease quantity supplied. The new market equilibrium
will be at a lower price and higher quantity.