Topic 3.6- Changes in the AD-AS Model in the Short Run Price Level PL₁ PL₂ PL, PL, LRAS SRAS AD Y, GDPR Use the graph to the right to answer the following questions (assume that each event takes places independently) 1. What is the short-run equilibrium price level and output? 2. Identify the short-run equilibrium price level and output if consumption increased? 3. Identify the short-run equilibrium price level and output after a negative supply shock? 4. What happens to output and unemployment if investment falls? 5. Use the graph to explain the difference between demand-pull and costs-push inflation.

Q72

Each term (3 months) the current group of economics students completed a questionnaire as to how much they would spend on new purchases compared to how much they would save/pay off bills, if they suddenly and unexpectedly received a check for $1,000. The average MPC is shown in the table below. Month in which student poll was taken Average of students’ responses as MPC March 0.41 June 0.30 September 0.22 December 0.56   What do these MPC’s imply about the students’ thinking over the course of the year?   (Enter response here.)   What is likely happening in the economy during the same period of time?

Results Real Estate had 6 home sales during the week: $150,000, $140,000, $240,000, $158,000, $3,200,000, and $150,000. What is the mode?