Notes on Classics, Rome, and Romanization

Definition: The fundamental economic problem of having seemingly unlimited human wants and needs in a world of limited resources. It implies that not all of society's goals can be achieved at the same time.
Impact: Forces individuals and societies to make choices about how to allocate resources effectively.

Supply: The amount of a good or service that producers are willing and able to offer for sale at various prices during a specific period.
- Law of Supply: As the price of a good or service increases, the quantity supplied by producers typically increases, and vice-versa, assuming all other factors remain constant ( $P \uparrow \implies Q_S \uparrow$ ).
Demand: The amount of a good or service that consumers are willing and able to purchase at various prices during a specific period.
- Law of Demand: As the price of a good or service increases, the quantity demanded by consumers typically decreases, and vice-versa, assuming all other factors remain constant ( $P \uparrow \implies Q_D \downarrow$ ).
Equilibrium: The point where the quantity demanded equals the quantity supplied ( $Q<em>D = Q</em>S$ ), determining the market price and quantity.

Definition: The value of the next best alternative that must be forgone when making a choice. It represents the benefits that an individual, investor, or business could have received by taking an alternative action.
Example: If you choose to study for an exam instead of going to a movie, the opportunity cost is the enjoyment and experience of the movie.

Definition: The examination of the additional benefits of an activity compared to the additional costs incurred by that same activity. It is used as a decision-making tool to maximize potential profits and minimize costs.
Concept: Decisions are often made at the margin, meaning individuals and firms consider the impact of one more unit of an activity.
- Marginal Benefit (MB): The additional satisfaction or utility received from consuming an additional unit of a good or service.
- Marginal Cost (MC): The additional cost incurred from producing an additional unit of a good or service.
Decision Rule: A rational decision-maker will continue an activity as long as the marginal benefit is greater than or equal to the marginal cost ( $MB \geq MC$ ).