Read the following statements. In response, state ‘True’, ‘False’ or ‘Uncertain’ and explain why:

(a) Public intervention is both a necessary and sufficient condition for internalizing environmental externality.

(b) Environmental advocacy groups generally favor the command-and-control approach to pollution abatement because they believe that polluters should be overtly punished.

(c) The so-called double-dividend feature of pollution tax is a theoretical myth.

(d) While most taxes distort incentives, an environmental tax corrects a market distortion.