Tuesday was National Lighthouse Day and social media was abuzz highlighting lighthouses’ beauty and their important role in navigation. On August 7, 1789, in one of its first actions, Congress approved an Act that established federal administration and support for lighthouses, beacons, buoys, and public piers. Interestingly, though the Act established tax funding for lighthouses in the United States, the history of lighthouses in the United Kingdom took a very different path and has been a source of debate about public goods and the proper role of government.
Public goods, according to economists, are commodities for which it is impossible (or at least difficult) to restrict consumption to those who pay. Such goods are said to exhibit the free-rider problem. Economists from John Stuart Mill to Paul Samuelson argued that lighthouses were a textbook example of a public good because a private operator would have difficulty collecting payment from passing ships that use the light as a navigational aid. A lighthouse cannot pick and choose which ships view its light. Thus, a privately-owned lighthouse would raise no revenue. If government didn’t provide them through taxation, then no one would.
In 1974, Nobel Prize winning economist Ronald Coase examined the history of lighthouses in Britain and argued that, contrary to the traditional view, the service provided by lighthouses is excludable: passing ships need to dock somewhere, and when they do they can be charged user fees for the lighthouses they passed before docking. Coase showed that there were many privately owned lighthouses in 18th and 19th century Britain that were supported by user fees.
Read more at https://www.cato.org/blog/lighthouses-economics-1
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