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Macroeconomics is a branch of economics that deals with the performance, structure, behavior, and decision-making of an economy as a whole. [1] This includes regional, national, and global economies .
A macroeconomic model is an analytical tool designed to describe the operation of the problems of economy of a country or a region. These models are usually designed to examine the comparative statics and dynamics of aggregate quantities such as the total amount of goods and services produced, total income earned, the level of employment of productive resources, and the level of prices.
There's something about macro – An explanation of the model and its role in understanding macroeconomics. Krugman, Paul. IS-LMentary – A basic explanation of the model and its uses. Wiens, Elmer G. IS–LM model – An online, interactive IS–LM model of the Canadian economy.
In financial mathematics and economics, the Fisher equation expresses the relationship between nominal interest rates, real interest rates, and inflation.Named after Irving Fisher, an American economist, it can be expressed as real interest rate ≈ nominal interest rate − inflation rate.
The Lucas islands model is an economic model of the link between money supply and price and output changes in a simplified economy using rational expectations.It delivered a new classical explanation of the Phillips curve relationship between unemployment and inflation.
A variety of measures of national income and output are used in economics to estimate total economic activity in a country or region, including gross domestic product (GDP), Gross national income (GNI), net national income (NNI), and adjusted national income (NNI adjusted for natural resource depletion – also called as NNI at factor cost).
In monetary economics, the equation of exchange is the relation: = where, for a given period, is the total money supply in circulation on average in an economy. is the velocity of money, that is the average frequency with which a unit of money is spent.
In economics, aggregate demand (AD) or domestic final demand (DFD) is the total demand for final goods and services in an economy at a given time. [1] It is often called effective demand, though at other times this term is distinguished. This is the demand for the gross domestic product of a country.