Krugman AP MacroEconomics Chapter 7
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?? Chapter 7: Supply and Demand: Changes in Equilibrium ? substitutes: if the price of good1 rises, the demand for good2 will increase if the price of good1 falls, the demand for good2 will decrease An increase in demand leads to a rise in both the equilibrium price and the equilibrium quantity. A decrease in demand leads to a fall in both the equilibrium price and the equilibrium quantity. Increase in demand: rightward shift of the demand curve market is no longer in equilibrium shortage: quantity demanded exceeds quantity supplied price rises increase in the quantity supplied upward movement along the supply curve new equilibrium When demand for a good or service increases, the equilibrium price and the equilibrium quantity of the
