1. Historical Context
France was virtually financially bankrupt following the excesses of Louis XIV's long reign, accumulating uncontrollable sovereign debt and a severe shortage of gold and silver coins in circulation.
2. The Breakdown Event
The astute economist John Law convinced the Regent of France to found the Banque Générale, which would issue paper money backed by metallic deposits. In parallel, Law founded the Western Company (later the Indian Company), which acquired a monopoly on trade in the vast French colonial territory of Louisiana, along the Mississippi River. Law promoted the idea that Louisiana was home to endless mines of gold and emeralds. Stock market enthusiasm exploded and the shares rose from 500 to 10,000 pounds. Many investors became 'millionaires' (a word coined in this event). However, when it became clear that Louisiana was an unhealthy swamp with non-mineable precious metals, investors massively attempted to exchange their paper money for physical gold and silver coins. Metal shortages led to violent riots and the complete devaluation of paper money.
3. Global Economic Impact
The bank and the company completely collapsed. John Law had to flee France disguised as a woman. The social and economic trauma against paper money and banks was so great that France delayed the use of banknotes and modern commercial banking for almost 80 years.
Key Financial Lesson (Psychology of Money)
Paper money is a financial instrument based purely on trust. If fiat money is issued unlimitedly to inflate speculative bubble assets with no real value, trust disappears and the financial system self-destructs.
4. Practical Case or Real Life Example
The exaggerated promises of astronomical returns from cryptocurrency Initial Coin Offerings (ICOs) in 2017 and early 2018 identically emulated blind speculation about the Mississippi Company.