For Some Racquet Sports,there Have Been Increases in the Size

question 178

Multiple Choice

For some racquet sports,there have been increases in the size of the racquets;also,the methods and materials used for making racquets have improved.To which problem in the construction of the CPI is this situation most relevant?

• A)substitution bias
• B)introduction of new goods
• C)unmeasured quality change
• D)income bias

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