What Is the Key Characteristic of Profit Maximizing Price Discrimination

Multiple Choice

What is the key characteristic of profit maximizing price discrimination that distinguishes intertemporal price discrimination from peak-load pricing?

A) Peak-load pricing does not require MC = MR.
B) Marginal revenue may be different across different groups of buyers under intertemporal price discrimination.
C) Marginal costs are independent across time periods under peak-load pricing.
D) Marginal revenue must be constant under both pricing schemes.