Using the Notation P_t to Designate This Period's Price Level

question 120

Multiple Choice

Using the notation P_t to designate this period's price level and P_{t- 1} to designate last period's price level, the formula for measuring the inflation rate from last period to this period is

• A) [(P_{t- 1} - P_t) / P_{t- 1}] × 100.
• B) [(P_t - P_{t- 1}) / P_{t- 1}] × 100.
• C) [(P_{t- 1} - P_t) / P_t] × 100.
• D) [(P_t - P_{t- 1}) / P_t] × 100.

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