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| Question | Answer |
|---|---|
| Scarcity | Resources are scarce Society has limited resources and therefore cannot produce all the goods and services people want |
| Economics | The study of how society manages its scarce resources |
| Economists | examine how people make choices Like how much they work, what they buy, how much they save, and how they invest |
| Microeconomics | The study of how households and firms make decisions and how they interact in markets |
| Macroeconomics | The study of economy-wide phenomena, including inflation, unemployment, and economic growth |
| Positive statements | how the world is Can be confirmed or refuted positively by examining evidence |
| Normative statements | how the world ought to be Evaluation involves values as well as facts |
| Scientific Judgments | Different hunches about the variability of alternative theories |
| Absolute Advantage | The ability to produce a good using fewer inputs than another producer |
| Opportunity cost | Whatever must be given up to obtain some item |
| Comparative advantage | The ability to produce a good at a lower opportunity cost than another producer |
| Comparative Advantage and Trade | Gains from specialization and trade |
| The Price of the Trade | For both parties to gain from trade, the price at which they trade must lie between their opportunity costs |
| Imports | Goods produced abroad and sold domestically |
| Exports | Goods produced domestically and sold abroad |
| Supply and demand | Words Economits use most often Forces that make market economies Refer to the behavior of people as they interact in competitive markets |
| Market | A group of buyers and sellers of a particular good or service |
| Competitive market | A market in which there are many buyers and many sellers Each has a negotiable impact on the market price |
| Perfectly Competive Market | Goods offered for sale are all exactly the same Buyers and sellers are numerous |
| Monopoly | The only seller in the market Sets the price |
| Law of Demand | Other things being equal, when the price of a good rises, the quantity demanded falls, and when the price falls, the quantity demanded rises |
| Quantity demanded | The Amount of a good that buyers are willing and able to purchase |
| Individual demand | An individual's demand for a product |
| Demand schedule | A table that shows the relationship between the price of a good and the quantity demanded |
| Demand Curve | A graph of the relationship between the price of a good and the quantity demanded |
| Market demand | The sum of all the individual demands for a particular good or service |
| Market demand curve | Shows how the total quantity demanded of a good varies as its price changes, holding constant all the other factors that affect consumer purchases |
| Normal good | An increase in income leads to an increase in demand |
| Inferior good | An increase in income leads to a decrease in demand |
| Substitutes | Pairs of goods that are used in place of each other Increase in the price of one leads to an increase inin the demand for the other |
| Complements | Pairs of goods that are used together Increase in the price of one leads to a decrease in the demand for the other |
| Law of Supply | Other things being equal when the price of a good rises the quantity supplied also rises, and when the price falls, the quantity supplied falls as well |
| Quantity supplied | Amount of a good that sellers are willing and able to sell |
| Individual supply | A sellers supply for a product |
| Supply schedule | A table that shows the relationship between the price of a good and the quantity supplied |
| Supply curve | A graph of the relationship between the price of a good and the quantity supplied |
| Market supply | The sum of the supplies of all sellers |
| Market supply curve | Shows how the total quantity supplied varies as the price varies, holding constant all other factors that influence producers' decisions about how much to sell |
| Equilibrium |