If China Decides to Enact Laws to Clean Up the Environment,what

Multiple Choice

If China decides to enact laws to clean up the environment,what would be the effect on GDP?

A) GDP would increase reflecting the fact that the environment would be cleaner.
B) GDP would decrease if the pollution controls reduce productivity by more than the cost of the controls.
C) GDP would increase as the citizens of China were made happier as the environment was cleaned up.
D) GDP would increase as the environmental costs of pollution were not included in the calculation of GDP.