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Scarcity
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limited quantities of resources to meet unlimited wants
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Economics
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the study of how people seek to satisfy their needs and wants by making choices
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Theoretical Economics
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process of deriving theories and principles. systematically arrange facts (cause and effect order), interpret and generalize from them.
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Policy Economics
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The formulation of courses of action to bring about desired economic outcomes or to prevent undesire or occurences.
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Positive
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Based on fact and avoids value judgement
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Normative
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Includes value judgement
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Marginal
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Additional
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5 Key Economic Assumptions
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1. Scarcity
2. Trade - Offs
3. Self - Interests
4. Compare Marginal Benefit vs. Marginal Cost
5. Simplified Models and Graphs
2. Trade - Offs
3. Self - Interests
4. Compare Marginal Benefit vs. Marginal Cost
5. Simplified Models and Graphs
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Trade - Offs
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all the alternatives that we give up whenever we choose one course of action over others
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Opportunity Cost
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the most desirable alternative given up as a result of a decision
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Utility
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Satisfaction
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Allocate
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Distribute
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Shortage
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occur when producers will not or cannot offer goods or services at current prices. They are temporary.
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Price
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the amount the consumer pays
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Cost
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the amount sellers pay to produce a good
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Investment
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the money spent by businesses to improve their production
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Goods
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physical objects that satisfy needs and wants
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Consumer Good
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created for direct consumption
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Capital Good
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created for indirect consumption or production of consumer goods
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Services
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action or activity that one person performs for another
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4 Factors of Production
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1. Land
2. Labor
3. Capital
4. Entrepreneurship
2. Labor
3. Capital
4. Entrepreneurship
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3 Economic Systems
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1. Centrally Planned Economy
2. Free Market Economy
3. Mixed Economy
2. Free Market Economy
3. Mixed Economy
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Centrally Planned Economy
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Government controls the factor of production
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Free Market Economy
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Factors of production are owned entirely by the people with no government intervention
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Mixed Economy
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Factors of production are owned by the people, but there is some government intervention
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4 Key Assumptions of a PPC
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1. Only 2 Goods Can Be Produced
2. Full Employment of Resources
3. Fixed resources (Ceteris Paribus)
4. Fixed Technology
2. Full Employment of Resources
3. Fixed resources (Ceteris Paribus)
4. Fixed Technology
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Law of Increasing Opportunity Cost
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The more product produced, the greater the opportunity cost because resources are NOT easily adaptable to producing both goods
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Per Unit Opportunity Cost
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= Cost / Gain
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Shifters of the PPC (3)
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1. Change in resource quantity
2. Change in technology
3. Change in trade
2. Change in technology
3. Change in trade
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Productive Efficiency
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Any point ON the PPC
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Allocative Efficiency
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Products produced are the ones desired by society
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Capital goods increase _____
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Future Growth
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Absolute Advantage
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makes the most OR requires the least amount of resources
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Comparative Advantage
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producer with the lowest opportunity cost
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Input Problems
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Other number goes Under
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Output Problems
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Other number goes Over
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Demand
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the different quantities of goods that consumers are WILLING and ABLE to buy at different prices
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Law of Demand
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There is an inverse relationship between price and quantity demand
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The Substitution Effect
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occurs when consumers react to an increase in a good's price by consuming less of that good and more of another substitute good
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The Income Effect
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occurs as a price changes, the purchasing power of people changes while they have an unchanging income
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Law of Diminishing Marginal Utility
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as consumers consume more units of any good, the additional satisfaction from each additional unit will begin to decrease
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Demand Curve Shifters (5)
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1. Change in Taste and Preference
2. Number of Consumers
3. Price of Related Goods
4. Income
5. Future Expectations
2. Number of Consumers
3. Price of Related Goods
4. Income
5. Future Expectations
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Supply
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the different quantities of a good that sellers are WILLING and ABLE to sell at different prices
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Supply Curve Shifters (6)
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1. Prices / Availability of Inputs
2. Number of Sellers
3. Technology
4. Government Action
5. Opportunity Cost of Alternate Production
6. Expectation of Future Profit
2. Number of Sellers
3. Technology
4. Government Action
5. Opportunity Cost of Alternate Production
6. Expectation of Future Profit
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Double Shifters
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If 2 curves shift at the same time, either price or quantity will be indeterminate
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Consumer Surplus
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Consumer Max - Sold Price
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Producer Surplus
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Sold Price - Producer Min
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Price Ceiling
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Effective Below equilibrium, caps the price of goods for consumer benefit, creates a shortage
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Price Floor
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Effective Above equilibrium, raises the price above equilibrium for producer benefit, creates a surplus
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Quota
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Government imposed limit on the production of a good