<P> In macroeconomics , aggregate demand ( AD ) or domestic final demand ( DFD ) is the total demand for final goods and services in an economy at a given time . It specifies the amounts of goods and services that will be purchased at all possible price levels . This is the demand for the gross domestic product of a country . It is often called effective demand , though at other times this term is distinguished . </P>
<P> In macroeconomics , aggregate demand ( AD ) or domestic final demand ( DFD ) is the total demand for final goods and services in an economy at a given time . It specifies the amounts of goods and services that will be purchased at all possible price levels . This is the demand for the gross domestic product of a country . It is often called effective demand , though at other times this term is distinguished . </P>
the total demand for goods and services at a given price level is also known as
the total demand for goods and services at a given price level is also known as
aggregate demand ( AD ) or domestic final demand ( DFD )
aggregate demand ( AD ) or domestic final demand ( DFD )