Before revision: In a persuasion environment where both players are ambiguity averse, Beauch\^ene, Li and Li (2019) show that the sender can make strictly more profits from sending ambiguous signals if the receiver cares only about his interim payoff. As in the presence of ambiguity , the receiver may not be dynamically consistent.
After revision: In a persuasion environment where both players are ambiguity averse, Beauch\^ene, Li and Li (2019) show that the sender can make strictly more profits from sending ambiguous messages? This paper shows that the sender cannot benefit from introducing ambiguity if the receiver is dynamically consistent.