Regulatory Lag Refers to

Regulatory lag refers to

A) the fact that most regulated firms are slow to change their structures of production.
B) the fact that most regulated firms are slow to respond to their customers' preferences.
C) the time period between when a natural monopoly's costs change and when the regulatory agency adjusts prices for the natural monopoly.
D) the time period between when natural monopoly begins to produce its output and when it sells its product.
E) none of the above