Exhibit 10-7 
-Assume the United States' aggregate expenditure line started at AE(1) in Exhibit 10-7. When the real estate market crashed, its aggregate expenditure would have changed to
Definitions:
Market System
An economic system where decisions regarding investment, production, and distribution are based on supply and demand, guiding the allocation of resources through the price mechanism.
Entrepreneurship
The process of designing, launching, and running a new business, which initially is a small business offering a product, process, or service for sale or hire.
Regulation
The establishment of rules and laws by governments or regulatory bodies to control or govern conduct within various fields or industries.
Invisible Hand
A metaphor introduced by Adam Smith to describe the self-regulating nature of the marketplace, where individual self-interests unintentionally benefit society.
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