Exhibit 9-2 Keynesian aggregate-expenditures model 
As shown in Exhibit 9-2, if GDP is $3 trillion, the economy experiences unplanned inventory:
Definitions:
Labor Force
The total number of people both employed and actively seeking employment in an economy.
Labor Force Participation Rate
The labor force as a percentage of the adult population.
Adult Population
The adult population consists of all individuals in a certain region or country who are considered adults, typically based on achieving a specific legal age of majority.
Looking for Work
The activity of actively seeking employment or trying to find a job.
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