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Review key Gresham's Law: Currency Debasement, Bimetallism & Monopolies of Bad Money exam facts and rate your mastery to track revision.
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#1
Gresham's Law is an economic principle stating that bad money drives out good money from circulation when both circulate at a legally fixed exchange rate.
#2
In monetary economics, bad money refers to currency whose face value exceeds the intrinsic commodity value of its underlying metal.
#3
Good money refers to currency where the intrinsic value of precious metal matches or exceeds its stamped nominal legal tender value.
#4
When two currencies share identical legal purchasing power, individuals spend overvalued debased coins and hoard undervalued precious metal coins.
#5
Undervalued good coins are routinely melted down for industrial bullion or exported to foreign nations where they trade at fair market prices.
#6
The law is named after Sir Thomas Gresham (1519–1579), who served as royal financial agent in Antwerp and chief financial adviser to Queen Elizabeth I of England.
#7
Thomas Gresham explained in 1558 why earlier silver coinage disappeared following the Great Debasement of 1544 initiated by King Henry VIII.
#8
Scottish economist Henry Dunning Macleod coined the formal term Gresham's Law in his 1858 economic textbook, The Elements of Political Economy.
#9
Polish astronomer Nicolaus Copernicus articulated the identical principle in his 1526 Latin monetary treatise titled Monetae cudendae ratio.
#10
Ancient Greek playwright Aristophanes documented the dynamic around 405 BCE in his theatrical comedy The Frogs, noting Athens favored debased bronze coins over pure silver drachmas.
#11
Legal tender laws and fixed exchange rates imposed by the state are mandatory conditions for Gresham's Law to function in an economy.
#12
If exchange rates between coins float freely according to market bullion weight, Gresham's Law breaks down and good money trades at a premium.
#13
Bimetallism, a monetary system tying currency value simultaneously to fixed ratios of gold and silver, routinely collapsed due to Gresham's Law.
#14
The United States Coinage Act of 1792 fixed a gold-to-silver ratio of 15:1, causing silver to become overvalued and driving gold coinage out of circulation.
#15
In fourteenth-century India, Sultan Muhammad bin Tughlaq introduced token copper and brass coins in 1330 CE at par with silver tankas, provoking widespread hoarding and counterfeit minting.
#16
Thiers' Law, named after French statesman Adolphe Thiers, acts as the exact reverse of Gresham's Law under conditions of extreme monetary collapse.
#17
Under Thiers' Law, hyperinflation forces citizens to reject worthless domestic legal tender and adopt stable foreign currencies or precious metals, meaning good money drives out bad.
#18
The transition from physical silver coinage to copper-nickel clad coinage in the United States under the Coinage Act of 1965 caused older ninety-percent silver quarters to vanish into private hoards.
#19
In modern fiat monetary regimes, legal tender laws compel acceptance of unbacked paper notes and bank deposits, preventing physical commodity hoarding from halting day-to-day transactions.
#20
In decentralized finance and foreign exchange, currency substitution or dollarization occurs when an unstable domestic fiat currency loses public trust to hard foreign currencies.
Subject Specialist Commentary
Analytical perspective & practical exam advice from the Master10 academic board
Gresham's law explains how human choices shape currency circulation when governments fix exchange rates. If the state declares that a worn or cheap coin has the identical legal buying power as a pure silver coin, people naturally spend the cheaper coin first. The high-purity coin is kept in home vaults, melted for raw bullion, or exported. Consequently, the debased money floods daily markets, while the honest money quietly disappears from sight.
In UPSC and State PSC exams, examiners love testing the exact conditions required for Gresham's law. Remember the decisive trap: this law operates only when legal tender rules enforce a fixed exchange parity. If prices float freely, good money commands a premium instead. Never confuse Gresham's law with Thiers' law, where good money drives out bad during hyperinflation. A handy memory tip is the phrase "Bad Buys, Good Goes," reminding you which coin circulates and which vanishes.
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