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Gambling (also known as betting or gaming) is the wagering of something of value ("the stakes") on a random event with the intent of winning something else of value, where instances of
strategy Strategy (from Greek στρατηγία ''stratēgia'', "art of troop leader; office of general, command, generalship") is a general plan to achieve one or more long-term or overall goals under conditions of uncertainty. In the sense of the "art ...
are discounted. Gambling thus requires three elements to be present:
consideration Consideration is a concept of English common law and is a necessity for simple contracts but not for special contracts (contracts by deed). The concept has been adopted by other common law jurisdictions. The court in ''Currie v Misa'' declared ...
(an amount wagered), risk (chance), and a prize. The outcome of the wager is often immediate, such as a single roll of
dice Dice (singular die or dice) are small, throwable objects with marked sides that can rest in multiple positions. They are used for generating random values, commonly as part of tabletop games, including dice games, board games, role-playing g ...
, a spin of a
roulette Roulette is a casino game named after the French word meaning ''little wheel'' which was likely developed from the Italian game Biribi''.'' In the game, a player may choose to place a bet on a single number, various groupings of numbers, the ...
wheel, or a horse crossing the finish line, but longer time frames are also common, allowing wagers on the outcome of a future sports contest or even an entire sports season. The term "gaming" in this context typically refers to instances in which the activity has been specifically permitted by law. The two words are not mutually exclusive; ''i.e.'', a "gaming" company offers (legal) "gambling" activities to the public and may be regulated by one of many
gaming control board A gaming control board (GCB), also called by various names including gambling control board, casino control board, gambling board, and gaming commission, is a government agency charged with regulating casino and other types of gaming in a defined ...
s, for example, the Nevada Gaming Control Board. However, this distinction is not universally observed in the English-speaking world. For instance, in the United Kingdom, the regulator of gambling activities is called the Gambling Commission (not the Gaming Commission). The word ''gaming'' is used more frequently since the rise of
computer A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...
and video games to describe activities that do not necessarily involve wagering, especially online gaming, with the new usage still not having displaced the old usage as the primary definition in common dictionaries. "Gaming" has also been used to circumvent laws against "gambling". The media and others have used one term or the other to frame conversations around the subjects, resulting in a shift of perceptions among their audiences. Gambling is also a major international commercial activity, with the legal gambling market totaling an estimated $335 billion in 2009. In other forms, gambling can be conducted with materials that have a value, but are not real money. For example, players of marbles games might wager marbles, and likewise games of '' Pogs'' or '' Magic: The Gathering'' can be played with the collectible game pieces (respectively, small discs and trading cards) as stakes, resulting in a meta-game regarding the value of a player's collection of pieces.


History

Gambling dates back to the
Paleolithic The Paleolithic or Palaeolithic (), also called the Old Stone Age (from Greek: παλαιός ''palaios'', "old" and λίθος ''lithos'', "stone"), is a period in human prehistory that is distinguished by the original development of stone too ...
period, before written history. In Mesopotamia the earliest six-sided
dice Dice (singular die or dice) are small, throwable objects with marked sides that can rest in multiple positions. They are used for generating random values, commonly as part of tabletop games, including dice games, board games, role-playing g ...
date to about 3000 BCE. However, they were based on astragali dating back thousands of years earlier. In China, gambling houses were widespread in the first millennium BCE, and betting on fighting animals was common. Lotto games and dominoes (precursors of Pai Gow) appeared in China as early as the 10th century. Playing cards appeared in the 9th century CE in China. Records trace gambling in Japan back at least as far as the 14th century.
Poker Poker is a family of comparing card games in which players wager over which hand is best according to that specific game's rules. It is played worldwide, however in some places the rules may vary. While the earliest known form of the game w ...
, the most popular U.S. card game associated with gambling, derives from the Persian game As-Nas, dating back to the 17th century. The first known casino, the
Ridotto Il Ridotto (Italian : "The Private Room") was a wing of Venice's Palazzo Dandolo near the church of San Moisè. In 1638, it was converted at the behest of Venice's city leaders into a government-owned gambling-house. Il Ridotto was the site of ...
, started operating in 1638 in Venice, Italy.


Great Britain

Gambling has been a main recreational activity in Great Britain for centuries. Horseracing has been a favorite theme for over three centuries. It has been heavily regulated. Historically much of the opposition comes from evangelical Protestants, and from social reformers.


United States

Gambling has been a popular activity in the United States for centuries. It has also been suppressed by law in many areas for almost as long. By the early 20th century, gambling was almost uniformly outlawed throughout the U.S. and thus became a largely illegal activity, helping to spur the growth of the mafia and other
criminal organizations Organized crime (or organised crime) is a category of transnational, national, or local groupings of highly centralized enterprises run by criminals to engage in illegal activity, most commonly for profit. While organized crime is generally th ...
. The late 20th century saw a softening in attitudes towards gambling and a relaxation of laws against it.


Regulation

Many jurisdictions, local as well as national, either ban gambling or heavily control it by licensing the vendors. Such regulation generally leads to gambling tourism and illegal gambling in the areas where it is not allowed. The involvement of governments, through regulation and taxation, has led to a close connection between many governments and gambling organizations, where legal gambling provides significant government revenue, such as in Monaco and
Macau, China Macau or Macao (; ; ; ), officially the Macao Special Administrative Region of the People's Republic of China (MSAR), is a city and special administrative region of China in the western Pearl River Delta by the South China Sea. With a po ...
. There is generally legislation requiring that gambling devices be
statistically random A numeric sequence is said to be statistically random when it contains no recognizable patterns or regularities; sequences such as the results of an ideal dice roll or the digits of π exhibit statistical randomness. Statistical randomness does n ...
, to prevent manufacturers from making some high-payoff results impossible. Since these high payoffs have very low probability, a house bias can quite easily be missed unless the devices are checked carefully. Most jurisdictions that allow gambling require participants to be above a certain age. In some jurisdictions, the gambling age differs depending on the type of gambling. For example, in many American states one must be over 21 to enter a casino, but may buy a lottery ticket after turning 18.


Insurance

Because contracts of insurance have many features in common with wagers, insurance contracts are often distinguished in law as agreements in which either party has an interest in the "bet-upon" outcome ''beyond'' the specific financial terms. e.g.: a "bet" with an insurer on whether one's house will burn down is not gambling, but rather ''insurance'' – as the homeowner has an obvious interest in the continued existence of their home ''independent of'' the purely financial aspects of the "bet" (i.e. the insurance policy). Nonetheless, both insurance and gambling contracts are typically considered
aleatory contract An aleatory contract is a contract where an uncertain event determines the parties' rights and obligations. For example, gambling, wagering, or betting typically use aleatory contracts. Additionally, another very common type of aleatory contract is ...
s under most legal systems, though they are subject to different types of regulation.


Asset recovery

Under common law, particularly
English Law English law is the common law legal system of England and Wales, comprising mainly criminal law and civil law, each branch having its own courts and procedures. Principal elements of English law Although the common law has, historically, be ...
(
English unjust enrichment The English law of unjust enrichment is part of the English law of obligations, along with the law of contract, tort, and trusts. The law of unjust enrichment deals with circumstances in which one person is required to make restitution of a benefit ...
), a gambling contract may not give a casino ''bona fide'' purchaser status, permitting the recovery of stolen funds in some situations. In '' Lipkin Gorman v Karpnale Ltd'', where a solicitor used stolen funds to gamble at a casino, the House of Lords overruled the High Court's previous verdict, adjudicating that the casino return the stolen funds less those subject to any change of position defence. U.S. Law precedents are somewhat similar. For
case law Case law, also used interchangeably with common law, is law that is based on precedents, that is the judicial decisions from previous cases, rather than law based on constitutions, statutes, or regulations. Case law uses the detailed facts of a l ...
on recovery of gambling losses where the loser had stolen the funds see "Rights of owner of stolen money as against one who won it in gambling transaction from thief". An interesting question is what happens when the person trying to make recovery is the gambler's spouse, and the money or property lost was either the spouse's, or was community property. This was a minor plot point in a Perry Mason novel, ''The Case of the Singing Skirt'', and it cites an actual case ''Novo v. Hotel Del Rio''.


Religious views


Buddhism

Lord Buddha stated gambling as a source of destruction in Singalovada Sutra.


Hinduism

Ancient
Hindu Hindus (; ) are people who religiously adhere to Hinduism.Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for ...
poems like the
Gambler's Lament The Gambler's lament (or "Gamester's lament") is one of the hymns of the Rigveda which do not have any direct cultic or religious context. It is found in the late Tenth Book (RV 10.34), where most of such hymns on "miscellaneous" topics are foun ...
and the '' Mahabharata'' testify to the existence of gambling among ancient Indians, while highlighting its destructive impact. The text ''
Arthashastra The ''Arthashastra'' ( sa, अर्थशास्त्रम्, ) is an Ancient Indian Sanskrit treatise on statecraft, political science, economic policy and military strategy. Kautilya, also identified as Vishnugupta and Chanakya, is ...
'' ( BCE) recommends taxation and control of gambling.


Judaism

Ancient Jewish authorities frowned on gambling, even disqualifying professional gamblers from testifying in court.


Christianity


Catholicism

The Catholic Church holds the position that there is no moral impediment to gambling, so long as it is fair, all bettors have a reasonable chance of winning, there is no
fraud In law, fraud is intentional deception to secure unfair or unlawful gain, or to deprive a victim of a legal right. Fraud can violate civil law (e.g., a fraud victim may sue the fraud perpetrator to avoid the fraud or recover monetary compens ...
involved, and the parties involved do not have actual knowledge of the outcome of the bet (unless they have disclosed this knowledge), and as long as the following conditions are met: the gambler can afford to lose the bet, and stops when the limit is reached, and the motivation is entertainment and not personal gain leading to the "love of money" or making a living. In general, Catholic bishops have opposed casino gambling on the grounds that it too often tempts people into problem gambling or addiction, and has particularly negative effects on poor people; they sometimes also cite secondary effects such as increases in loan sharking, prostitution, corruption, and general public immorality. Some parish pastors have also opposed casinos for the additional reason that they would take customers away from church bingo and annual festivals where games such as
blackjack Blackjack (formerly Black Jack and Vingt-Un) is a casino banking game. The most widely played casino banking game in the world, it uses decks of 52 cards and descends from a global family of casino banking games known as Twenty-One. This fami ...
,
roulette Roulette is a casino game named after the French word meaning ''little wheel'' which was likely developed from the Italian game Biribi''.'' In the game, a player may choose to place a bet on a single number, various groupings of numbers, the ...
, craps, and
poker Poker is a family of comparing card games in which players wager over which hand is best according to that specific game's rules. It is played worldwide, however in some places the rules may vary. While the earliest known form of the game w ...
are used for fundraising. St. Thomas Aquinas wrote that gambling should be especially forbidden where the losing bettor is underage or otherwise not able to consent to the transaction. Gambling has often been seen as having social consequences, as satirized by Balzac. For these social and religious reasons, most legal jurisdictions limit gambling, as advocated by
Pascal Pascal, Pascal's or PASCAL may refer to: People and fictional characters * Pascal (given name), including a list of people with the name * Pascal (surname), including a list of people and fictional characters with the name ** Blaise Pascal, Fren ...
.


Protestantism

Gambling views among Protestants vary, with some either discouraging or forbidding their members from participation in gambling. Methodists, in accordance with the doctrine of outward holiness, oppose gambling which they believe is a sin that feeds on greed. Other denominations that discourage gambling are the United Methodist Church, the Free Methodist Church, the Evangelical Wesleyan Church, the
Salvation Army Salvation (from Latin: ''salvatio'', from ''salva'', 'safe, saved') is the state of being saved or protected from harm or a dire situation. In religion and theology, ''salvation'' generally refers to the deliverance of the soul from sin and its c ...
, and the Church of the Nazarene. Other Protestants that oppose gambling include Mennonites, Schwarzenau Brethren, Quakers, the
Christian Reformed Church in North America The Christian Reformed Church in North America (CRCNA or CRC) is a Protestant Calvinist Christian denomination in the United States and Canada. Having roots in the Dutch Reformed Church of the Netherlands, the Christian Reformed Church was founde ...
, the Church of the Lutheran Confession, the
Southern Baptist Convention The Southern Baptist Convention (SBC) is a Christian denomination based in the United States. It is the world's largest Baptist denomination, and the largest Protestant and second-largest Christian denomination in the United States. The wor ...
, the
Assemblies of God The Assemblies of God (AG), officially the World Assemblies of God Fellowship, is a group of over 144 autonomous self-governing national groupings of churches that together form the world's largest Pentecostal denomination."Assemblies of God". ...
, and the
Seventh-day Adventist Church The Seventh-day Adventist Church is an Adventist Protestant Christian denomination which is distinguished by its observance of Saturday, the seventh day of the week in the Christian (Gregorian) and the Hebrew calendar, as the Sabbath, and ...
.


Other Christian denominations

Other churches that oppose gambling include the
Jehovah's Witnesses Jehovah's Witnesses is a millenarian restorationist Christian denomination with nontrinitarian beliefs distinct from mainstream Christianity. The group reports a worldwide membership of approximately 8.7 million adherents involved in ...
, The Church of Jesus Christ of Latter-day Saints, the Iglesia ni Cristo, and the Members Church of God International.


Islam

There is a consensus among the ''‘ Ulema’'' ( ar, عُـلـمـاء, Scholars (of
Islam Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic religions, Abrahamic Monotheism#Islam, monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God in Islam, God (or ...
)) that gambling is '' haraam'' ( ar, حَـرام, sinful or forbidden). In assertions made during its prohibition, Muslim jurists describe gambling as being both un-
Qur’an The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , sing.: ...
ic, and as being generally harmful to the Muslim Ummah ( ar, أُمَّـة, Community). The Arabic terminology for gambling is '' Maisir''. In parts of the world that implement full Shari‘ah, such as
Aceh Aceh ( ), officially the Aceh Province ( ace, Nanggroë Acèh; id, Provinsi Aceh) is the westernmost province of Indonesia. It is located on the northernmost of Sumatra island, with Banda Aceh being its capital and largest city. Granted a s ...
, punishments for Muslim gamblers can range up to 12 lashes or a one-year prison term and a fine for those who provide a venue for such practises. Some Islamic nations prohibit gambling; most other countries regulate it.


Bahá'í Faith

According to the Most Holy Book, paragraph 155, gambling is forbidden.


Types


Casino games

While almost any game can be played for money, and any game typically played for money can also be played just for fun, some games are generally offered in a casino setting.


Table games


Electronic gambling

*
Online roulette Roulette is a casino game named after the French word meaning ''little wheel'' which was likely developed from the Italian game Biribi''.'' In the game, a player may choose to place a bet on a single number, various groupings of numbers, the ...
* Pachinko * Sic Bo * Slot machine * Video poker *
Video bingo Video bingo, or electronic bingo machine, is a type of slot machine or amusement-with-prize machine (AWP) which instead of the typical reel-style game play, one or more bingo cards can be played on the machine. Classes and styles Video bingo mach ...


Other gambling

* Bingo * Keno


Non-casino games

Gambling games that take place outside of casinos include bingo (as played in the US and UK), dead pool, lotteries, pull-tab games and scratchcards, and
Mahjong Mahjong or mah-jongg (English pronunciation: ) is a tile-based game that was developed in the 19th century in China and has spread throughout the world since the early 20th century. It is commonly played by four players (with some three-play ...
. Other non-casino gambling games include: * Non-casino card games, including historical games like Basset, Ecarté, Lansquenet and Put. Technically, a gambling card game is one in which the cards are not actually played but simply bet on. * Carnival Games such as The Razzle or Hanky Pank * Coin-tossing games such as
Head and Tail A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may ...
, Two-up* * Confidence tricks such as Three-card Monte or the Shell game * Dice-based games, such as Backgammon, Liar's dice, Passe-dix,
Hazard A hazard is a potential source of harm Harm is a moral and legal concept. Bernard Gert construes harm as any of the following: * pain * death * disability * mortality * loss of abil ity or freedom * loss of pleasure. Joel Feinberg giv ...
, Threes, Pig, or Mexico (or Perudo); *Although coin tossing is not usually played in a casino, it has been known to be an official gambling game in some Australian casinos


Fixed-odds betting

Fixed-odds betting and Parimutuel betting frequently occur at many types of sporting events, and political elections. In addition many bookmakers offer fixed odds on a number of non-sports related outcomes, for example the direction and extent of movement of various financial indices, the winner of television competitions such as ''
Big Brother Big Brother may refer to: * Big Brother (''Nineteen Eighty-Four''), a character from George Orwell's novel ''Nineteen Eighty-Four'' ** Authoritarian personality, any omnipresent figure representing oppressive control ** Big Brother Awards, a sat ...
'', and election results. Interactive prediction markets also offer trading on these outcomes, with "shares" of results trading on an open market.


Parimutuel betting

One of the most widespread forms of gambling involves betting on horse or
greyhound racing Greyhound racing is an organized, competitive sport in which greyhounds are raced around a track. There are two forms of greyhound racing, track racing (normally around an oval track) and coursing; the latter is now banned in most countries. Tra ...
. Wagering may take place through
parimutuel Parimutuel betting or pool betting is a betting system in which all bets of a particular type are placed together in a pool; taxes and the "house-take" or "vigorish" are deducted, and payoff odds are calculated by sharing the pool among all winnin ...
pools, or bookmakers may take bets personally. Parimutuel wagers pay off at prices determined by support in the wagering pools, while bookmakers pay off either at the odds offered at the time of accepting the bet; or at the median odds offered by track bookmakers at the time the race started.


Sports betting

Betting on team sports has become an important service industry in many countries. Before the advent of the internet, millions of people played the
football pools In the United Kingdom, the football pools, often referred to as "the pools", is a betting pool based on predicting the outcome of association football matches taking place in the coming week. The pools are typically cheap to enter, and may encou ...
every week in the United Kingdom. In addition to organized sports betting, both legal and illegal, there are many side-betting games played by casual groups of spectators, such as NCAA basketball tournament Bracket Pools,
Super Bowl The Super Bowl is the annual final playoff game of the National Football League (NFL) to determine the league champion. It has served as the final game of every NFL season since 1966, replacing the NFL Championship Game. Since 2022, the game ...
Squares, Fantasy Sports Leagues with monetary entry fees and winnings, and in-person spectator games like
Moundball {{unreferenced, date=July 2009 Moundball is a side-betting game typically played by spectators at Major League Baseball games. Often played to pass the time during slow games, Moundball has a simple ruleset and requires little to no equipment. The g ...
.


Virtual sports

Based on Sports Betting, Virtual Sports are fantasy and never played sports events made by software that can be played every time without wondering about external things like weather conditions.


Arbitrage betting

Arbitrage betting is a theoretically risk-free betting system in which every outcome of an event is bet upon so that a known profit will be made by the bettor upon completion of the event regardless of the outcome. Arbitrage betting is a combination of the ancient art of
arbitrage In economics and finance, arbitrage (, ) is the practice of taking advantage of a difference in prices in two or more markets; striking a combination of matching deals to capitalise on the difference, the profit being the difference between the ...
trading and gambling, which has been made possible by the large numbers of bookmakers in the marketplace, creating occasional opportunities for arbitrage.


Other types of betting

One can also bet with another person that a statement is true or false, or that a specified event will happen (a "back bet") or will not happen (a "lay bet") within a specified time. This occurs in particular when two people have opposing but strongly held views on truth or events. Not only do the parties hope to gain from the bet, they place the bet also to demonstrate their certainty about the issue. Some means of determining the issue at stake must exist. Sometimes the amount bet remains nominal, demonstrating the outcome as one of principle rather than of financial importance. Betting exchanges allow consumers to both back and lay at odds of their choice. Similar in some ways to a stock exchange, a bettor may want to back a horse (hoping it will win) or lay a horse (hoping it will lose, effectively acting as bookmaker). Spread betting allows gamblers to wagering on the outcome of an event where the pay-off is based on the accuracy of the wager, rather than a simple "win or lose" outcome. For example, a wager can be based on the when a point is scored in the game in minutes and each minute away from the prediction increases or reduces the payout.


Staking systems

Many betting systems have been created in an attempt to "beat the house" but no system can make a mathematically unprofitable bet in terms of
expected value In probability theory, the expected value (also called expectation, expectancy, mathematical expectation, mean, average, or first moment) is a generalization of the weighted average. Informally, the expected value is the arithmetic mean of a l ...
profitable over time. Widely used systems include: * Card counting – Many systems exist for
blackjack Blackjack (formerly Black Jack and Vingt-Un) is a casino banking game. The most widely played casino banking game in the world, it uses decks of 52 cards and descends from a global family of casino banking games known as Twenty-One. This fami ...
to keep track of the ratio of ten values to all others; when this ratio is high the player has an advantage and should increase the amount of their bets. Keeping track of cards dealt confers an advantage in other games as well. *
Due-column betting 'Due-column Betting' (also: 'due column betting') is a type of fixed-profit betting strategy whereby a bettor increases the amount he wagers on a single proposition after each successive loss. According to this system, the bettor determines a target ...
– A variation on fixed profits betting in which the bettor sets a target profit and then calculates a bet size that will make this profit, adding any losses to the target. * Fixed profits – the stakes vary based on the odds to ensure the same profit from each winning selection. * Fixed stakes – a traditional system of staking the same amount on each selection. * Kelly – the optimum level to bet to maximize your future median bank level. *
Martingale Martingale may refer to: * Martingale (probability theory), a stochastic process in which the conditional expectation of the next value, given the current and preceding values, is the current value * Martingale (tack) for horses * Martingale (coll ...
– A system based on staking enough each time to recover losses from previous bet(s) until one wins.


Other uses of the term

Many risk-return choices are sometimes referred to colloquially as "gambling." Whether this terminology is acceptable is a matter of debate: * Emotional or physical risk-taking, where the risk-return ratio is not quantifiable (e.g., skydiving,
campaigning Campaign or The Campaign may refer to: Types of campaigns * Campaign, in agriculture, the period during which sugar beets are harvested and processed *Advertising campaign, a series of advertisement messages that share a single idea and theme *Bli ...
for political office, asking someone for a date, etc.) * Insurance is a method of shifting risk from one party to another. Insurers use actuarial methods to calculate appropriate premiums, which is similar to calculating gambling odds. Insurers set their premiums to obtain a long term positive expected return in the same manner that professional gamblers select which bets to make. While insurance is sometimes distinguished from gambling by the requirement of an insurable interest, the equivalent in gambling is simply betting against one's own best interests (e.g., a sports coach betting against his own team to mitigate the financial repercussions of a losing season). * Situations where the possible return is of secondary importance to the wager/purchase (e.g. entering a raffle in support of a charitable cause) Investments are also usually not considered gambling, although some investments can involve significant risk. Examples of investments include
stock In finance, stock (also capital stock) consists of all the shares by which ownership of a corporation or company is divided.Longman Business English Dictionary: "stock - ''especially AmE'' one of the shares into which ownership of a company ...
s, bonds and real estate. Starting a business can also be considered a form of investment. Investments are generally not considered gambling when they meet the following criteria: * Economic utility * Positive expected returns (at least in the long term) * Underlying value independent of the risk being undertaken Some speculative investment activities are particularly risky, but are sometimes perceived to be different from gambling: * Foreign currency exchange ( forex) transactions * Prediction markets * Securities
derivatives The derivative of a function is the rate of change of the function's output relative to its input value. Derivative may also refer to: In mathematics and economics *Brzozowski derivative in the theory of formal languages *Formal derivative, an ...
, such as
options Option or Options may refer to: Computing *Option key, a key on Apple computer keyboards *Option type, a polymorphic data type in programming languages * Command-line option, an optional parameter to a command *OPTIONS, an HTTP request method ...
or
futures Futures may mean: Finance *Futures contract, a tradable financial derivatives contract *Futures exchange, a financial market where futures contracts are traded * ''Futures'' (magazine), an American finance magazine Music * ''Futures'' (album), a ...
, where the value of the derivative is dependent on the value of the underlying asset at a specific point in time (typically the derivative's associated expiration date)


Negative consequences

Studies show that though many people participate in gambling as a form of
recreation Recreation is an activity of leisure, leisure being discretionary time. The "need to do something for recreation" is an essential element of human biology and psychology. Recreational activities are often done for enjoyment, amusement, or pleasur ...
or to earn an income, gambling, like any behavior involving variation in brain chemistry, can become a behavioral addiction. Behavioral addiction can occur with all the negative consequences in a person's life minus the physical issues faced by people who compulsively engage in drug and alcohol abuse. Problem gambling has multiple symptoms. Gamblers often gamble to try to win back money they have lost, and some gamble to relieve feelings of helplessness and anxiety. In the United Kingdom, the Advertising Standards Authority has censured several betting firms for advertisements disguised as news articles suggesting falsely that a person had cleared debts and paid for medical expenses by gambling online . The firms face possible fines. A 2020 study of 32 countries found that the greater the amount of gambling activity in a given country, the more volatile that country's stock market prices are.


Psychological biases

Gamblers may exhibit a number of
cognitive Cognition refers to "the mental action or process of acquiring knowledge and understanding through thought, experience, and the senses". It encompasses all aspects of intellectual functions and processes such as: perception, attention, thought, ...
and
motivational Motivation is the reason for which humans and other animals initiate, continue, or terminate a behavior at a given time. Motivational states are commonly understood as forces acting within the agent that create a disposition to engage in goal-dire ...
biases that distort the perceived odds of events and that influence their preferences for gambles. * ''Preference for likely outcomes''. When gambles are selected through a choice process – when people indicate which gamble they prefer from a set of gambles (e.g., win/lose, over/under) – people tend to prefer to bet on the outcome that is more likely to occur. Bettors tend to prefer to bet on favorites in athletic competitions, and sometimes will accept even bets on favorites when offered more favorable bets on the less likely outcome (e.g., an underdog team). * '' Optimism/Desirability Bias.'' Gamblers also exhibit optimism, overestimating the likelihood that desired events will occur. Fans of NFL underdog teams, for example, will prefer to bet on their teams at even odds than to bet on the favorite, whether the bet is $5 or $50. * ''Reluctance to bet against (hedge) desired outcomes.'' People are reluctant to bet against desired outcomes that are relevant to their identity. Gamblers exhibit reluctance to bet against the success of their preferred U.S. presidential candidates and Major League Baseball, National Football League, National Collegiate Athletic Association (NCAA) basketball, and NCAA hockey teams. More than 45% of NCAA fans in Studies 5 and 6, for instance, turned down a "free" real $5 bet against their team. From a psychological perspective, such a " hedge" creates an interdependence dilemma – a motivational conflict between a short-term monetary gain and the long-term benefits accrued from feelings of
identification Identification or identify may refer to: *Identity document, any document used to verify a person's identity Arts, entertainment and media * ''Identify'' (album) by Got7, 2014 * "Identify" (song), by Natalie Imbruglia, 1999 * Identification ( ...
with and loyalty to a position, person, or group whom the bettor desires to succeed. In economic terms, this conflicted decision can be modeled as a trade-off between the outcome utility gained by hedging (e.g., money) and the diagnostic costs it incurs (e.g., disloyalty). People make inferences about their beliefs and identity from their behavior. If a person is uncertain about an aspect of their identity, such as the extent to which they values a candidate or team, hedging may signal to them that they are not as committed to that candidate or team as they originally believed. If the diagnostic cost of this self-signal and the resulting identity change are substantial, it may outweigh the outcome utility of hedging, and they may reject even very generous hedges. * ''Ratio bias.'' Gamblers will prefer gambles with worse odds that are drawn from a large sample (e.g., drawing one red ball from an urn containing 89 red balls and 11 blue balls) to better odds that are drawn from a small sample (drawing one red ball from an urn containing 9 red balls and one blue ball). * '' Gambler's fallacy/positive recency bias.''


See also


References


Further reading

* Chambers, Kerry. ''Gambling for profit: Lotteries, gaming machines, and casinos in cross-national focus'' (U of Toronto press, 2011). * Ferentzy, Peter, and Nigel Turner. "Gambling and organized crime-A review of the literature." ''Journal of Gambling Issues'' 23 (2009): 111–155. * Ferentzy, Peter, and Nigel E. Turner. ''A history of problem gambling'' (Springer-Verlag, 2013
online
* Haller, Mark H. "The changing structure of American gambling in the twentieth century." ''Journal of Social Issues'' 35.3 (1979): 87–114. * Richard, Brian. "Diffusion of an economic development policy innovation: Explaining the international spread of casino gambling." ''Journal of Gambling Studies'' 26.2 (2010): 287–300.
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* Schwartz, David G. ''Roll The Bones: The History of Gambling'' (2006), scholarly history with global perspectiv
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External links

*
Center for Gaming Research
– at University of Nevada, Las Vegas
Institute for the Study of Gambling and Commercial Gaming
at the University of Nevada, Reno {{Authority control