Examlex
The expected return of the sum of two investments will be equal to the sum of the expected returns of the two investments plus twice the covariance between the investments.
Aggregate Demand
The entirety of demand for goods and services within an economy, at a chosen general price level and throughout a specified time period.
Aggregate Supply
The total supply of goods and services that firms in an economy are willing to sell at a given price level in a given time period.
Investment
The purchase of goods that are not consumed today but are used in the future to create wealth, including assets like property, stocks, or bonds.
Aggregate Demand Curve
Curve showing planned purchase rates for all goods and services in the economy at various price levels.
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