Medium of exchange was observed as early as Oresme, Copernicus and then in 1558 by Sir Thomas Gresham, that bad money drives out good in any marketplace (Gresham's Law states "Where legal tender laws exist, bad money drives out good money"). A more precise definition is this: "A currency that is artificially overvalued by law will drive out of circulation a currency that is artificially undervalued by that law." Gresham's law is therefore a specific application of the general law of price controls. A common explanation is that people will always keep the less adultered, less clipped, sweated, less filed, less trimmed coin,
Good Bad Books and Kenneth McLeish, in which the authors critique a range of "bad good" books, generally thought to be "good books". Good Bad Books "Good Bad Books" is an essay by George Orwell first published in "Tribune" on 2 November 1945. After Orwell's death, the essay was republished in "Shooting an Elephant and Other Essays" (1950). The essay examines the lasting popularity of works not usually considered great literature. Orwell defines a "good bad book" as "the kind of book that has no literary pretensions but which remains readable when more serious productions have perished." Orwell concludes: "I would back "Uncle