Over the past year, output grew 5%, capital grew 5%, and labor grew 1%. If the elasticities of output with respect to capital and labor are 0.3 and 0.7, respectively, how much did productivity grow?

Over the past year, output grew 5%, capital grew 5%, and labor grew 1%. If the elasticities of output with respect to capital and labor are 0.3 and 0.7, respectively, how much did productivity grow?



a. 1.0%
b. 2.2%
c. 2.8%
d. 0.5%




Answer: C


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