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____________,which dominated the human toolkit around 10,000 years ago,are tiny stone tools that were probably used as barbs on composite implements
Marginal Propensity
The proportion of an additional income that an individual spends on consuming goods and services, rather than saving.
Consumption Function
An economic formula representing the relationship between total consumption and gross national income, suggesting how income influences spending behavior.
Aggregate Demand Curve
A graphical representation that shows the total quantity of goods and services that all households, businesses, and government are willing to purchase at each possible price level.
Autonomous Spending
Expenditures in an economy that do not vary with the level of income or production, such as government spending or investment.
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