7. Which of the following statements is true? a. An economy in a recession will have lower unemployment than during an expansion. b. In an economic expansion, the unemployment rate decreases while aggregate output increases. c. An economy's output level and employment rate move in opposite directions. d. During recessions output decreases as well as unemployment. e. In a recession, employment increases and output increases, 8. Inflation means that a. the aggregate level of output increases, b. the unemployment rate increases, c. the aggregate price level rises over time. d. consumers purchasing power increases over time. e. workforce participation increases