4). Political Add Information

Facebook and other social media companies have been wrestling with the extent to which they should judge, puts comments on, or takedown political ads that contain lies or at least contain content unsubstantiated by any facts. (Discuss the following under the logic of "efficiency" in elections which I imagine means receiving information on the potential benefits and costs of different candidates and policies).

a). Briefly, explain why better information is good for market transactions.

b). Explain why better and true information is good for political decisions (try to use supply, demand, efficiency logic).

c). Why can it be very hard and contentious politically for Facebook and other social media to judge which ads or content are/were untrue and not allow them?

c

(As long as you attempt this question, you should receive full credit; it's not like there is some "correct" answer here. It is an important topic moving into the future that involves information)