Ronald Reagan was 69 years 11 months when he became President.
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Answer:
Market: Means by which individuals interact to buy or to sell; mechanism that coordinates the independent intentions of buyers and sellers.
Before we can go on, it is important to understand what economic actors are interacting in these markets and their relationships to one another.
Four (broadly defined) economic actors are:
1. Households
2. Firms
3. Governments
4. "The Rest of the World"
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