Assertion: monopolist's output | /r/HasProperty | fixed at the stage
Facets:
Source sentences:
text: Again, if price and output were fixed at the stage where e p <1 (i.e., at R in the figure), marginal cost must be negative as here marginal revenue is negative.
text: If price and output were fixed at this stage, both MR and MC ought to be zero, but MC can never be zero.