申論題

3. In an imaginary economy, consumers buy only sandwiches and magazines. In 2016, the base year, a sandwich cost $5 and a magazine cost $4. The consumers bought 20 sandwiches and 25 magazines at these prices. In 2017, a sandwich cost $6.

(B) (12 points) Suppose that consumers bought 30 sandwiches and 25 magazines in 2017. What was the growth rate of nominal GDP between 2016 and 2017? What was the growth rate of real GDP between 2016 and 2017? What was the GDP defator in 2017?