U.S.Gross Domestic Product in billions of chained 1996 dollars 10,000 longest economic 9,000 expansion on record 8,000 7,000 6.(Recessions 5,000 4,000 3,000 1970 1975 1980 1985 1990 1995 2000 Return CHAPTER 1 The Science of Macroeconomics slide 6CHAPTER 1 The Science of Macroeconomics slide 6 U.S. Gross Domestic Product in billions of chained 1996 dollars 3,000 4,000 5,000 6,000 7,000 8,000 9,000 10,000 1970 1975 1980 1985 1990 1995 2000 Recessions longest economic expansion on record 1 Return