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 Times Bad Times album, "Good Times, Bad Times... Ten Years of Godsmack". It was the only song on the album to be newly released as a single and gained moderate radio airplay on US rock stations. A music video was also created for the Godsmack version of the song, featuring live footage. Good Times Bad Times "Good Times Bad Times" is a song by the English rock band Led Zeppelin, featured as the opening track on their 1969 debut album "Led Zeppelin". The song was released as a single in the US, where it reached the Billboard Hot 100 chart. For the lead