2. (a) A country's current GDP is $1,000. Its annual growth rate is expected to average 5% over the next 10 years. What's its expected GDP in 10 years? (b) Explain the Rule of 70. Be sure to include a numerical example in your answer.
2. (a) A country's current GDP is $1,000. Its annual growth rate is expected to average 5% over the next 10 years. What's its expected GDP in 10 years? (b) Explain the Rule of 70. Be sure to include a numerical example in your answer.
Chapter1: Making Economics Decisions
Section: Chapter Questions
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Transcribed Image Text:2. (a) A country's current GDP is $1,000. Its annual growth rate is expected to average 5%
over the next 10 years. What's its expected GDP in 10 years?
(b) Explain the Rule of 70. Be sure to include a numerical example in your answer.
Expert Solution

Step 1
Rule of 70 states that when you divide 70 with the growth rate it gives the time required for an amount to become double of the present value. Mathematically, it will be written as:
Doubling Time = [70 / % of Growth Rate]
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