An Economy of 82 Million People Has Twenty Percent of Them

question 9

Multiple Choice

An economy of 82 million people has twenty percent of them engaged in research and development,where their productivity is 0.003.The economy is on a balanced growth path,when suddenly the productiveness of R&D rises to 0.004.For the one period that begins with this productivity increase,the growth rate of output is ________.[Refer to the instruction above.]

• A)8.7%
• B)9.4%
• C)6.6%
• D)7%

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Definitions:

Prostaglandins

A collection of biologically active lipid molecules that exhibit a variety of hormone-like actions in animals.

Leptin

is a hormone produced by fat cells that regulates food intake and energy expenditure by signaling satiety to the brain.

Growth Factors

Natural substances capable of stimulating cellular growth, proliferation, healing, and cellular differentiation.

Melatonin

A hormone produced by the pineal gland that regulates sleep cycles.