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Economic graphs are presented only in the first quadrant of the Cartesian plane when the variables conceptually can only take on non-negative values (such as the quantity of a product that is produced). Even though the axes refer to numerical variables, specific values are often not introduced if a conceptual point is being made that would ...
A social accounting matrix (SAM) represents flows of all economic transactions that take place within an economy (regional or national).It is at the core, a matrix representation of the national accounts for a given country, but can be extended to include non-national accounting flows, and created for whole regions or area.
A bank card is typically a plastic card issued by a bank to its clients that performs one or more of a number of services that relate to giving the client access to a bank account. Physically, a bank card will usually have the client's name, the issuer's name, and a unique card number printed on it. [ 1 ]
Econometrics is an application of statistical methods to economic data in order to give empirical content to economic relationships. [1] More precisely, it is "the quantitative analysis of actual economic phenomena based on the concurrent development of theory and observation, related by appropriate methods of inference."
Purchasing by debit card. With a debit card (also known as a bank card, check card or plastic card) when a cardholder makes a purchase, funds are withdrawn directly either from the cardholder's bank account, or from the remaining balance on the card, instead of the holder repaying the money at a later date. In some cases, the "cards" are ...
The production possibilities frontier (PPF) for guns versus butter. Points like X that are outside the PPF are impossible to achieve. Points such as B, C, and D illustrate the trade-off between guns and butter: at these levels of production, producing more of one requires producing less of the other.
Data envelopment analysis (DEA) is a nonparametric method in operations research and economics for the estimation of production frontiers. [1] DEA has been applied in a large range of fields including international banking, economic sustainability, police department operations, and logistical applications [2] [3] [4] Additionally, DEA has been used to assess the performance of natural language ...
Economics, business, accounting, and related fields often distinguish between quantities that are stocks and those that are flows. These differ in their units of measurement . A stock is measured at one specific time, and represents a quantity existing at that point in time (say, December 31, 2004), which may have accumulated in the past.