Some History of Insurance

See Insuring Against Disaster: Insurance policies go back to the ancient Babylonians and were crucial in the early development of capitalism by Amanda Foreman of The WSJ. Excerpts:

"the basic principle of insurance—pooling risk in order to minimize liability from unforeseen dangers—is one of the things that made modern capitalism possible.

The first merchants to tackle the problem of risk management in a systematic way were the Babylonians. The 18th-century B.C. Code of Hammurabi shows that they used a primitive form of insurance known as “bottomry.” According to the Code, merchants who took high-interest loans tied to shipments of goods could have the loans forgiven if the ship was lost. The practice benefited both traders and their creditors, who charged a premium of up to 30% on such loans.

The Athenians, realizing that bottomry was a far better hedge against disaster than relying on the Oracle of Delphi, subsequently developed the idea into a maritime insurance system. They had professional loan syndicates, official inspections of ships and cargoes, and legal sanctions against code violators."

"In Christian Europe, insurance was widely frowned upon as a form of gambling—betting against God. Even after Pope Gregory IX decreed in the 13th century that the premiums charged on bottomry loans were not usury, because of the risk involved, the industry rarely expanded. Innovations came mainly in response to catastrophes: The Great Fire of London in 1666 led to the growth of fire insurance, while the Lisbon earthquake of 1755 did the same for life insurance.

It took the Enlightenment to bring widespread changes in the way Europeans thought about insurance. Probability became subject to numbers and statistics rather than hope and prayer. In addition to his contributions to mathematics, astronomy and physics, Edmond Halley (1656-1742), of Halley’s comet fame, developed the foundations of actuarial science—the mathematical measurement of risk. This helped to create a level playing field for sellers and buyers of insurance. By the end of the 18th century, those who abjured insurance were regarded as stupid rather than pious. Adam Smith declared that to do business without it “was a presumptuous contempt of the risk.”"

I play a game in class that touches on insurance. Click here to see the Lessons From the Supply and Demand Game.

The insurance market has a problem, though. The customers don’t always tell their insurance company their bad habits (like smoking, riding a motor cycle without a helmut, etc.). So they don’t know how risky you are and therefore don’t know what price to charge you. So sometimes these markets are not efficient.

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