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Implicit Cost (synonym)
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Implicit Rental Rate of Capital
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Economic depreciation
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change in the market value of capital over a given period
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Interest forgone
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return on the funds used to acquire the capital
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normal profit
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return that an entrepreneur can expect to get
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Command systems
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managerial hierarchy. Commands pass downward through the hierarchy and information (feedback) passed upward
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Inventive systems
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Market-like mechanisms to induce workers to perform in ways that maximize the firm's profit
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Perfect (full) information
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when all relevant information is known
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Imperfect information
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when all relevant info is not known
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Symmetric information
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when all individuals have the same information
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Principal-agent problem
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Problem of devising compensation rules that induce an agent to act in the best interests of a principal
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Economies of Scale
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Features of a firm's tech that lead to falling long run avg cost as output increases
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Diseconomies of scale
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features of a firm's technology that lead to constant long run average cost as output increases
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Constant returns to scale
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firm's tech that lead to constant long run average cost as output increases
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Profit maximizing rate of production
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Marginal Revenue equals Marginal Cost
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Short Run Break-Even Price
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Price at which a firm's total revenues equal its costs. Firm making a normal RoR on its capital investment
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Short Run Shutdown Price
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Price that just covers average variable costs. Just below the intersection of the marginal cost curve and the average variable cost curve
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Industry Supply Curve
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Sum of each firm's MC curves
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Zero-profit equilibirum
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Economic profit is zero
Accounting profit is positive
Accounting profit is positive
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Monopoly Characteristics
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Market power. Monopolist
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Source of Monopoly
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Barrier to entry
Ownership of resources without close substitutes.
Problems in raising adequate capital
Economies of scale
Legal or governmental restrictions
Natural
Ownership of resources without close substitutes.
Problems in raising adequate capital
Economies of scale
Legal or governmental restrictions
Natural
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Oligoply
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Very few dominant sellers
Each seller knows that the other sellers will react to its changes in prices and quantities
Each seller knows that the other sellers will react to its changes in prices and quantities
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Characteristics of Oligopoly
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- Small number of firms
- Price searchers
- High barriers to entry
- Similar or differentiated goods or services
- Mergers
- Interdependence
- Price searchers
- High barriers to entry
- Similar or differentiated goods or services
- Mergers
- Interdependence
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Components of game theory
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Players
Strategies
Information
Payoffs
Strategies
Information
Payoffs
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Simultaneous Game
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All go at once without knowing
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Sequential Game
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Move in different order and know who does what
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zero sum game
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Any gains within the group are exactly offset by equal losses by EOG
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Negative-Sum Game
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Players as a group lose at the end of the game
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Positive-sum game
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players as a group are better off at the end of the game
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Opportunistic Behavior
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ignore possible long-run benefits of cooperation and focus solely on short-run gains. Noncooperative game. Not realistic
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Nash Equilibrium
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Each players makes the best decisions that he or she can. Taking into account the decisions of the others
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Extensive form games
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Game that is built like a tree diagram
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Determinants of Demand
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- Income
- tastes and preferences
- Price of related goods in consumption
- Taxes and subsidies on consumption
- Expectations
- Market size
- tastes and preferences
- Price of related goods in consumption
- Taxes and subsidies on consumption
- Expectations
- Market size
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Determinants of Supply
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- Cost of inputs
- Price of related goods in production
- Technology and productivity
- Taxes and subsidies on production
- Price expectations
- Number of firms
- Price of related goods in production
- Technology and productivity
- Taxes and subsidies on production
- Price expectations
- Number of firms