"(*) Which of the following statements are true?

(a) The mean excess loss function for an empirical distribution is continuous.

(b) The mean excess loss function for an exponential distribution is constant.

(c) If it exists, the mean excess loss function for a Pareto distribution is decreasing."

Excerpt From: Klugman, Stuart A. "Loss Models: From Data to Decisions (Wiley Series in Probability and Statistics)." Apple Books.