identity

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identity

a means of portraying arithmetically the enduring equality between two (or more) VARIABLES that are equal by definition. For example, £1 = 100p (or $1 = 100¢), and no matter how many pounds (or dollars) we have, they can always be converted into pennies (or cents) by multiplying by 100. Identities are generally given a three-bar ‘identity’ sign (=) to indicate that the value to the left of the three bars is identical to the value to the right of the sign. The QUANTITY THEORY OF MONEY is one of the best-known examples of an identity in economics, written as:

where M is the money stock, V is the velocity of circulation of money, P is the general price level and T is the number of transactions undertaken. See EQUATION.

Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies 2005
References in periodicals archive ?
"It is becoming more and more clear that identity cards are going to be a vast waste of taxpayers' money," said the party's home affairs spokesman Nick Clegg.
We in the Liberal Party would urge anyone opposed to identity cards to write to their MP expressing the strength of their opposition: Wales expects opponents of the scheme to do their duty!
The advantage of the proposed biometric identity card is that it does what the human brain has always been capable of; it identifies positively our human features.
Existing technology already has the ability to add biometrics to identity cards.
The government hopes the trial will pave the way for compulsory identity cards for everyone by 2014.
He was speaking as polls suggested a high level of support for identity cards among British people, with as many as 85pc backing their introduction.
'Those nationals who have vote on different address than their national identity cards are requested to get transferred their votes either on permanent address or temporary address as mentioned in CNIC according to Section 27 of Elections Act 2017', he added
The identity card was publicly released by BTSU, the Federal Commissioner for the Records of the State Security Service of former East Germany, and published in German newspaper Bild.
In April this year, Nadra had increased fee for issuance of all types of Computerised National Identity Cards (CNICs) for overseas Pakistanis.
Ms Gojamang noted that it was an offence to find someone in possession of another person's identity card for whatever reasons.
Ministry of Transport, Communications and High Technologies of Azerbaijan has completed all necessary preparation work for the project of issuing of a new type of identity card, Deputy Minister Elmir Velizade told reporters.
Peshawar -- Khyber Pakhtunkhwa Chief Minister Pervez Khattak's wife Amira Khattak was offloaded from a flight heading to the United States as the Computerised National Identity Card she presented to the immigration authorities did not count as a travel document.