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
Latin of a vowel and one of the semivowels , in "beware!", "whose", "I warned", "I released", "I destroyed", "his", and "new". Old Latin had more diphthongs, but most of them changed into long vowels in Classical Latin. The Old Latin diphthong and the sequence became Classical . Old Latin and changed to Classical , except in a few words whose became Classical . These two developments sometimes occurred in different words from the same root: for instance, Classical "punishment" and "to punish". Early Old Latin usually changed to Classical . In Vulgar Latin and the Romance languages, merged with .