Gambling has a specific economic definition, referring to wagering money or something of material value on an event with an uncertain outcome with the primary intent of winning additional money and/or material goods. Typically, the outcome of the wager is evident within a short period of time.

The term gaming[1] 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.[2] (This distinction is not universally observed in the English-speaking world, however. For instance, in the UK, the regulator of gambling activities is called the Gambling Commission (not the Gaming Commission.[3])

There are three variables common to all forms of gambling: * How much is being wagered, the initial stake (in money or material goods). * The predictability of the event. o In mechanical or electronic gambling such as lotteries, slot machines and bingo, the results are random and unpredictable; no amount of skill or knowledge (assuming machinery is functioning as intended) can give an advantage in predictability to anyone. o However, for sports events such as horse racing and soccer matches there is some predictability to the outcome; thus a person with greater knowledge and/or skill will have an advantage over others. * The odds agreed between the two (or more) parties to the wager; where there is a house or a bookmaker, the odds are (quite legally) arranged in favor of the house.

The expected value, positive or negative, is a mathematical calculation using these three variables. The amount wagered determines the scale of an individual wager (bet); the odds and the amount wagered determine the payout if successful; the predictability determines the frequency of success. Finally the frequency of success times the payout minus the amount wagered equals the "expected value" The skill of a gambler lies in understanding and maneuvering the three variables so that the "actual value" is positive over a series of wagers.

Fixed-odds gambling

Fixed-odds gambling and Parimutuel betting frequently occur at many types of sporting events. 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, election results,[8]. Interactive prediction markets also offer trading on these outcomes, with "shares" of results trading on an open market.

[edit] Parimutuel betting Tokyo Racecourse in Tokyo, Japan. Tokyo Racecourse in Tokyo, Japan. Main article: Parimutuel betting One of the most widespread forms of gambling involves betting on horse or greyhound racing. Wagering may take place through parimutuel 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.

[edit] Sports betting Main article: sports betting

Betting on team sports has become an important service industry in many countries. For example, millions of Britons play the football pools every week.

[edit] Arbitrage betting Main article: 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 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 better may want to back a horse (hoping it will win) or lay a horse (hoping it will lose, effectively acting as bookmaker)

Sportsbook News


Marlins could start season without No. 2 starter Johnson

JUPITER, Fla. -- The Foorida Marlins are preparing for the likelihood that right-hander
Josh Johnson won't be ready when the season starts April 2.

Grapefruit League action starts Wednesday, but Johnson, penciled in as the No. 2 starter, hasn't even thrown off a mound at full speed since September. He's experienced some soreness in his right forearm.

MySportsbook.com have the Marlins listed with baseball betting lines at +800 to win the NL East this season .

''You guys know the math. If he's not on the hill then he becomes an opening day roster issue,'' manager Fredi Gonzalez said Saturday. ''We're borderline now.''

Johnson, who finished 12-7 with a 3.10 ERA in 2007, was supposed to throw on flat ground Saturday. That was canceled when he woke up with pain.

He played catch on Wednesday with no pain but felt discomfort in a throwing session on Thursday. He's expected to try again Sunday.

''Like we always said from the very beginning, we're going to take it easy on him,'' Gonzalez said. ''He didn't feel right, so we shut him down. We're going to take it back to step one and see where we're at.''

Among the candidates to take Johnson's spot in the rotation are left-hander Chris George and right-handers Yusmeiro Petit and Jose Garcia.

Right-hander Sergio Mitre, who missed most of last season with arm and shoulder problems, also is behind.

With Johnson's status doubtful, Gonzalez said right-hander Ricky Nolasco will stay in the rotation and no longer will be considered a candidate for closer.

Additional basbeall odds can be found at: www.MySportsbook.com

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