There ain't no such thing as a free lunch

"There ain't no such thing as a free lunch" (alternatively, "There is no such thing as a free lunch" or other variants) is a popular adage communicating the idea that it is impossible to get something for nothing. The acronyms TANSTAAFL, TINSTAAFL, and TNSTAAFL are also used. The phrase was in use by the 1930s, but its first appearance is unknown.[1] The "free lunch" in the saying refers to the formerly common practice in American bars of offering a "free lunch" in order to entice drinking customers.

"No free lunch" redirects here. For the medical advocacy group, see No Free Lunch (organization). For the theorem in mathematical optimization, see No free lunch theorem.

The phrase and the acronym are central to Robert Heinlein's 1966 science-fiction novel The Moon Is a Harsh Mistress, which helped popularize it.[2][3] The free-market economist Milton Friedman also increased its exposure and use[1] by paraphrasing it as the title of a 1975 book,[4] and it is used in economics literature to describe opportunity cost.[5] Campbell McConnell writes that the idea is "at the core of economics".[6]

History and usage

"Free lunch"

The "free lunch" refers to the once-common tradition of saloons in the United States providing a "free" lunch to patrons who had purchased at least one drink. Many foods on offer were high in salt (e.g., ham, cheese, and salted crackers), so those who ate them ended up buying a lot of beer. Rudyard Kipling, writing in 1891, noted how he

...came upon a bar-room full of bad Salon pictures, in which men with hats on the backs of their heads were wolfing food from a counter. It was the institution of the "free lunch" I had struck. You paid for a drink and got as much as you wanted to eat. For something less than a rupee a day a man can feed himself sumptuously in San Francisco, even though he be a bankrupt. Remember this if ever you are stranded in these parts.[7]

TANSTAAFL, on the other hand, indicates an acknowledgement that in reality a person or a society cannot get "something for nothing". Even if something appears to be free, there is always a cost to the person or to society as a whole, although that may be a hidden cost or an externality. For example, as Heinlein has one of his characters point out, a bar offering a free lunch will likely charge more for its drinks.[8]

Early uses
TANSTAAFL: a plan for a new economic world order. (Pierre Dos Utt, 1949)

According to Robert Caro, Fiorello La Guardia, on becoming mayor of New York in 1933, said "È finita la cuccagna!", meaning "Cockaigne is finished" or, more loosely, "No more free lunch"; in this context "free lunch" refers to graft and corruption.[1] The earliest known occurrence of the full phrase (except for the "a"), in the form "There ain't no such thing as free lunch", appears as the punchline of a joke related in an article in the El Paso Herald-Post of June 27, 1938 (and other Scripps-Howard newspapers about the same time), entitled "Economics in Eight Words".[9][10]

In 1945, "There ain't no such thing as a free lunch" appeared in the Columbia Law Review, and "there is no free lunch" appeared in a 1942 article in the Oelwein Daily Register (in a quote attributed to economist Harley L. Lutz) and in a 1947 column by economist Merryle S. Rukeyser.[2][11]

In 1949, the phrase appeared in an article by Walter Morrow in the San Francisco News (published on 1 June) and in Pierre Dos Utt's monograph TANSTAAFL: A Plan for a New Economic World Order,[12] which describes an oligarchic political system based on his conclusions from "no free lunch" principles.

The 1938 and 1949 sources use the phrase in relating a fable about a king (Nebuchadnezzar in Dos Utt's retelling) seeking advice from his economic advisors. Morrow's retelling, which claims to derive from an earlier editorial reported to be non-existent,[13] but closely follows the story as related in the earlier article in the El Paso Herald-Post, differs from Dos Utt's in that the ruler asks for ever-simplified advice following their original "eighty-seven volumes of six hundred pages" as opposed to a simple failure to agree on "any major remedy". The last surviving economist advises that "There ain't no such thing as free lunch."

In 1950, a New York Times columnist ascribed the phrase to economist (and army general) Leonard P. Ayres of the Cleveland Trust Company: "It seems that shortly before the General's death [in 1946]... a group of reporters approached the general with the request that perhaps he might give them one of several immutable economic truisms that he had gathered from his long years of economic study... 'It is an immutable economic fact,' said the general, 'that there is no such thing as a free lunch.'"[14]

The September 8, 1961, issue of LIFE magazine has an editorial on page 4, "'TANSTAFL,' It's the Truth," that closes with an anecdotal farmer explaining this slight variant of TANSTAAFL.

Popularization

In 1966, author Robert A. Heinlein published his novel The Moon Is a Harsh Mistress, in which TANSTAAFL was a central, libertarian theme, mentioned by name and explained. This increased its use in the mainstream.[2][3]

Edwin G. Dolan used the phrase as the title of his 1971 book TANSTAAFL (There Ain't No Such Thing As A Free Lunch) – A Libertarian Perspective on Environmental Policy.[15]

Meanings
Science

In the sciences, TANSTAAFL means that the universe as a whole is ultimately a closed system. There is no source of matter, energy, or light that draws resources from something else which will not eventually be exhausted. Therefore, the TANSTAAFL argument may also be applied to natural physical processes in a closed system (either the universe as a whole, or any system that does not receive energy or matter from outside). (See Second law of thermodynamics.) The bio-ecologist Barry Commoner used this concept as the last of his famous "Four Laws of Ecology".

According to American theoretical physicist and cosmologist Alan Guth "the universe is the ultimate free lunch", given that in the early stage of its expansion the total amount of energy available to make particles was very large.[16]

Economics

In economics, TANSTAAFL demonstrates opportunity cost. Greg Mankiw described the concept as follows: "To get one thing that we like, we usually have to give up another thing that we like. Making decisions requires trading off one goal against another."[17] The idea that there is no free lunch at the societal level applies only when all resources are being used completely and appropriately – i.e., when economic efficiency prevails. If not, a 'free lunch' can be had through a more efficient utilization of resources. Or, as Fred Brooks put it, "You can only get something for nothing if you have previously gotten nothing for something." If one individual or group gets something at no cost, somebody else ends up paying for it. If there appears to be no direct cost to any single individual, there is a social cost. Similarly, someone can benefit for "free" from an externality or from a public good, but someone has to pay the cost of producing these benefits. (See Free rider problem and Tragedy of the commons.)

Finance

In mathematical finance, the term is also used as an informal synonym for the principle of no-arbitrage. This principle states that a combination of securities that has the same cash-flows as another security must have the same net price in equilibrium.

Statistics

In statistics, the term has been used to describe the tradeoffs of statistical learners (e.g., in machine learning). That is, any model that claims to offer superior flexibility in analyzing data patterns usually does so at the cost of introducing extra assumptions, or by sacrificing generalizability in important situations.[18]

Technology

TANSTAAFL is sometimes used as a response to claims of the virtues of free software. Supporters of free software often counter that the use of the term "free" in this context is primarily a reference to a lack of constraint ("libre") rather than a lack of cost ("gratis"). Richard Stallman has described it as "'free' as in 'free speech,' not as in 'free beer'".

The prefix "TANSTAA-" (or "TINSTAA-") is used in numerous other contexts as well to denote some immutable property of the system being discussed. For example, "TANSTAANFS" is used by electrical engineering professors to stand for "There Ain't No Such Thing As A Noise-Free System".

Sports

Baseball Prospectus coined the abbreviation "TINSTAAPP", for "There Is No Such Thing As A Pitching Prospect",[19] as many young pitchers hurt their arms before they can be effective at a major league level.

Social policy

Hungarian prime minister Ferenc Gyurcsány used this adage to justify his social reforms in the mid-2000s. As a post-socialist country, Hungary struggled with the illusion of the state as a caring and giving, independent entity, rather than being the embodiment of the community. The saying "there is no free lunch" represented that even if the state provides welfare or something else for the people in need, it is in fact bought or provided by other people of the same community through taxes. Therefore, the state cannot provide everything for everyone, and increased provisions given by the state can only be financed by economic growth or increased taxes or public debt.

Exceptions

Some exceptions from the "no free lunch" tenet have been put forward, such as the Sun and carbon dioxide.[20] It was argued in particular that metabolism evolved to take advantage of the free lunch provided by the Sun, which also triggers production of vital oxygen in plants.[20] However, these too fall short in that the viewpoint is an open system, Earth, with "free" inputs from the Sun. When viewed from the larger system context, the Sun/Earth or Solar System, there is a net energy exchange, and still "no free lunch".[21]

See also

Notes
  1. Safire, William On Language; Words Left Out in the Cold" New York Times, 2-14-1993
  2. Keyes, Ralph (2006). The Quote Verifier. New York: St. Martin's Press. p. 70. ISBN 978-0-312-34004-9.
  3. Smith, Chrysti M. (2006). Verbivore's Feast: Second Course. Helena, MT: Farcountry Press. p. 131. ISBN 978-1-56037-404-6.
  4. Friedman, Milton, There's No Such Thing as a Free Lunch, Open Court Publishing Company, 1975. ISBN 087548297X.
  5. Gwartney, James D.; Richard Stroup; Dwight R. Lee (2005). Common Sense Economics. New York: St. Martin's Press. pp. 8–9. ISBN 0-312-33818-X.
  6. McConnell, Campbell R.; Stanley L. Brue (2005). Economics: principles, problems, and policies. Boston: McGraw-Hill Irwin. p. 3. ISBN 978-0-07-281935-9. OCLC 314959936. Retrieved 2009-12-10.
  7. Kipling, Rudyard (1899). American Notes. Boston: Brown and Company. p. 18. OCLC 1063540. Retrieved 31 May 2014.
  8. Heinlein, Robert A. (1997) [1966]. The Moon Is a Harsh Mistress. New York: Tom Doherty Associates. pp. 8–9. ISBN 0-312-86355-1.
  9. Shapiro, Fred (16 July 2009). "Quotes Uncovered: The Punchline, Please". The New York Times – Freakonomics blog. Retrieved 16 July 2009.
  10. "Economics in Eight Words". The Pittsburgh Press. March 13, 1958. Retrieved 1 April 2014. ...first published in Scripps-Howard newspapers 20 years ago.
  11. Fred R. Shapiro, ed. (2006). The Yale Book of Quotations. New Haven, CT: Yale Univ. Press. p. 478. ISBN 978-0-300-10798-2.
  12. Dos Utt, Pierre (1949). TANSTAAFL: A Plan for a New Economic World Order. Cairo Publications, Canton, OH.
  13. "The Big Apple: "No more free lunch!" (Fiorello La Guardia)". Barrypopik.com. 2007-03-08. Retrieved 2016-05-14.
  14. Fetridge, Robert H, "Along the Highways and Byways of Finance," The New York Times, Nov 12, 1950, p. 135
  15. Dolan, Edwin G. (1971). TANSTAAFL (There Ain't No Such Thing As A Free Lunch) – A Libertarian Perspective on Environmental Policy. updated and reissued in 2011
  16. Hawking, Stephen (1988). A brief history of time. Bantam books. p. 144. ISBN 0553175211.
  17. Principles of Economics (4th edition), p. 4.
  18. Simon, N.; Tibshirani, R. (2014). "Comment on "Detecting Novel Associations In Large Data Sets" by Reshef Et Al, Science Dec 16, 2011". arXiv:1401.7645 [stat.ME].
  19. Leach, Matthew (12 April 2013). "Even top pitching prospects are no sure thing". MLB.com. Retrieved 6 May 2013.
  20. Friend, Tim (2007). The Third Domain: The Untold Story of Archaea and the Future of Biotechnology. National Academies Press. p. 21. ISBN 978-0309102377.
  21. Wilson, Richard (11 December 2013). "Is the earth a 'closed system' with the Sun providing the sole input?". Retrieved 26 November 2016.

References
  • Tucker, Bob, (Wilson Tucker) The Neo-Fan's Guide to Science Fiction Fandom (3rd–8th Editions), 8th edition: 1996, Kansas City Science Fiction & Fantasy Society, KaCSFFS Press, No ISSN or ISBN listed.
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