Q. In Command and Control regulation system the regulator(i) makes the pollution control decisions for the firm, reducing firms choice.(ii) gives greater certainity as to how much pollution will be emitted.(iii) Very less expensive than efficient alternatives.

1. (i) and (iii) hold good.
2. (ii) and (iii) hold good.
3. (i) and (ii) hold good.
4. All the three hold good.