Regular everyday people are allowed to lie in their private lives if they wish, but try lying in an advertisement and see how it goes. There are strict rules on what you may or may not say as a business.

The social benefits outweigh the harms.

Likewise, wearing a seatbelt is an action so requiring seatbelts is compelled speech.

And words are speech, too. So requiring car owners display their license plate is compelled speech.

"In economics, perfect information (sometimes referred to as "no hidden information") is a feature of perfect competition. With perfect information in a market, all consumers and producers have perfect and instantaneous knowledge of all market prices, their own utility, and own cost functions."

No plumber in Indiana wants to apply to a job that ends up being an opening for a brain surgeon in Botswana. Why should companies be able to waste time with wages that are below what applicants are looking for and only tell them after the seventh stage of interviews? It’s disproportionately advantageous for corporations.