The CPI in 1970 was 38.8. The CPI in 2007 was 207.3. The purchasing power of $50,000 in 1970 was _____ the purchasing power of $200,000 in 2007.

Convert $50,000 in 1970 to 2007 dollars using the CPI ratio: $50,000 × (207.3 ÷ 38.8) ≈ $267,139. Since that is more than $200,000, $50,000 in 1970 had more purchasing power than $200,000 in 2007. The correct choice is “more than.”

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