The Market for Lemons cars, the dearth of formal credit markets in developing countries, and the difficulties that the elderly encounter in buying health insurance. However, not all players in a given market will follow the same rules or have the same aptitude of assessing quality. So there will always be a distinct advantage for some vendors to offer low-quality goods to the less-informed segment of a market that, on the whole, appears to be of reasonable quality and have reasonable guarantees of certainty. This is part of the basis for the idiom buyer beware. This is likely the basis for the idiom that
Beware the Gray Ghost Beware the Gray Ghost "Beware the Gray Ghost" is the eighteenth episode of "". It was directed by series regular Boyd Kirkland and first aired on November 4, 1992. The episode features guest star Adam West, best known for his portrayal of Batman in the 1960s "Batman" television series. West plays the Gray Ghost, a character who bears a strong resemblance to Batman antecedent The Shadow. The episode opens with a young Bruce Wayne watching a black-and-white television show called "The Gray Ghost". The episode cuts back and forth between the flashback and events in the present day, where a