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firm
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an institution that hires factors of production (inputs: land, labor and capital) and organizes those factors of production to produce and sell goods and services (outputs)
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implicit costs
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sum of all hidden opportunity costs forgone, but not paid in real money
does not require an actual expenditure of real money
implicit rental rate--opportunity cost of using own capital = economic depreciation and forgone interest
cost of owner's resources--wage income foregone + normal profit
does not require an actual expenditure of real money
implicit rental rate--opportunity cost of using own capital = economic depreciation and forgone interest
cost of owner's resources--wage income foregone + normal profit
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explicit costs
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costs that are borne directly by the use of the factors of production. paid in real money
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conventional depreciation
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a fall in the value of a firm's capital over time.
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accounting profit
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total revenue minus explicit costs and conventional depreciation, with revenue equaling quantity sold times price
reveals if a firm is earning enough revenue to pay for its expenses.
ensures firms pay the correct amount of taxes
show investors how their funds are being used
reveals if a firm is earning enough revenue to pay for its expenses.
ensures firms pay the correct amount of taxes
show investors how their funds are being used
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economic profit
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total revenue minus total cost, with total cost measured as the opportunity cost of production (both explicit and implicit costs)
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firm's opportunity cost of production
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the value of the best alternative use of the resources that a firm uses in production, which is comprised of both implicit and explicit costs.
tallies the cost of resources
bought in the market,
owned by the firm and
supplied by the firm's owner.
tallies the cost of resources
bought in the market,
owned by the firm and
supplied by the firm's owner.
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implicit rental rate of capital
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The firm's opportunity cost of using the capital it owns
made up of
1. Economic depreciation - the change in the market value of capital over a given period.
2. Interest forgone - the return on the funds used to acquire the capital.
made up of
1. Economic depreciation - the change in the market value of capital over a given period.
2. Interest forgone - the return on the funds used to acquire the capital.
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normal profit
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the cost of entrepreneurship
an opportunity cost of production
profit that an entrepreneur can expect to receive on
average
an opportunity cost of production
profit that an entrepreneur can expect to receive on
average
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To maximize profit, a firm must make five basic decisions
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1. What to produce and in what quantities?
2. How to produce?
3. How to organize and compensate its managers and workers?
4. How to market and price its products?
5. What to produce itself and what to buy from other firms?
2. How to produce?
3. How to organize and compensate its managers and workers?
4. How to market and price its products?
5. What to produce itself and what to buy from other firms?
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The firm's profit is limited by three features of the environment:
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1. Technology constraints
2. Information constraints
3. Market constraints
2. Information constraints
3. Market constraints
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technological efficiency
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when a firm uses less of at least one input and no more of the other inputs to produce a given quantity of output
If it is impossible to produce a given good by decreasing any one input, holding all other inputs constant, then production is technologically efficient.
If it is impossible to produce a given good by decreasing any one input, holding all other inputs constant, then production is technologically efficient.
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economic efficiency
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occurs when the firm produces a given quantity of output at the least cost.
depends on the relative costs of capital and labour
depends on the relative costs of capital and labour
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A firm organizes production by combining and coordinating productive resources using a mixture of two systems:
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1. Command systems
2. Incentive systems
2. Incentive systems
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command system
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uses a managerial hierarchy. Commands pass downward through the hierarchy and information (feedback) passes upward. These systems are relatively rigid and can have many layers of specialized management.
firms use commands when it is easy to monitor performance or when a small deviation from the ideal performance is very costly.
firms use commands when it is easy to monitor performance or when a small deviation from the ideal performance is very costly.
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incentive system
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a method of organizing production that uses a market-like mechanism to induce workers to perform in ways that maximize the firm's profit.
firms use incentives whenever monitoring performance is impossible or too costly to be worth doing.
firms use incentives whenever monitoring performance is impossible or too costly to be worth doing.
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principal-agent problem
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the problem of devising compensation rules that induce an agent to act in the best interests of a principal.
three ways of coping with the principal-agent problem
Ownership
Incentive pay
Long-term contracts
three ways of coping with the principal-agent problem
Ownership
Incentive pay
Long-term contracts
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three types of business organization
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Sole proprietorship
Partnership
Corporation
Partnership
Corporation
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sole proprietorship
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a firm with a single owner who has unlimited liability, or legal responsibility for all debts incurred by the firm — up to an amount equal to the entire wealth of the owner.
makes management decisions and receives the firm's profit. Profits are taxed the same as the owner's other income.
pros and cons:
Are easy to set up
Managerial decision making is simple
Profits are taxed only once as owner's income
Bad decisions made by the manager are not subject to review
The owner's entire wealth is at stake
The firm dies with the owner
The cost of capital and labour can be high
makes management decisions and receives the firm's profit. Profits are taxed the same as the owner's other income.
pros and cons:
Are easy to set up
Managerial decision making is simple
Profits are taxed only once as owner's income
Bad decisions made by the manager are not subject to review
The owner's entire wealth is at stake
The firm dies with the owner
The cost of capital and labour can be high
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partnership
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a firm with two or more owners who have unlimited liability. Partners must agree on a management structure and how to divide up the profits.
Profits are taxed as the personal income of the owners
pros and cons:
Are easy to set up
Employ diversified decision-making processes
Can survive the withdrawal of a partner
Profits are taxed only once
Achieving a consensus about managerial decisions is difficult
Owners' entire wealth is at risk
Capital is expensive
Profits are taxed as the personal income of the owners
pros and cons:
Are easy to set up
Employ diversified decision-making processes
Can survive the withdrawal of a partner
Profits are taxed only once
Achieving a consensus about managerial decisions is difficult
Owners' entire wealth is at risk
Capital is expensive
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corporations
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owned by one or more stockholders with limited liability, which means the owners have legal liability only for the initial value of their investment.
profit is taxed twice — once as a corporate tax on firm profits, and then again as income taxes paid by stockholders receiving their after-tax profits distributed as dividends.
pros and cons:
Limited liability for its owners
Large-scale and low-cost capital that is readily available
Professional management
Lower costs from long-term labour contracts
Complex management structure may lead to slow and expensive decision making
Profits taxed twice—as corporate profit and shareholder income
profit is taxed twice — once as a corporate tax on firm profits, and then again as income taxes paid by stockholders receiving their after-tax profits distributed as dividends.
pros and cons:
Limited liability for its owners
Large-scale and low-cost capital that is readily available
Professional management
Lower costs from long-term labour contracts
Complex management structure may lead to slow and expensive decision making
Profits taxed twice—as corporate profit and shareholder income
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four general market types
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1. Perfect competition
2. Monopolistic competition
3. Oligopoly
4. Monopoly
2. Monopolistic competition
3. Oligopoly
4. Monopoly
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perfect competition
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a market structure with
Many firms and many buyers
All firms sell an identical product
No restrictions on entry of new firms to the industry
Both firms and buyers are all well informed about the prices and products of all firms in the industry
Examples include world markets in wheat, corn, and other grains.
Many firms and many buyers
All firms sell an identical product
No restrictions on entry of new firms to the industry
Both firms and buyers are all well informed about the prices and products of all firms in the industry
Examples include world markets in wheat, corn, and other grains.
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monopolistic competition
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a market structure with
Many firms and many buyers
Each firm produces similar but slightly different products—called product differentiation
Each firm possesses an element of market power
No restrictions on entry of new firms
Some examples include pizza restaurants, male and female clothing, fragrances, etc.
Many firms and many buyers
Each firm produces similar but slightly different products—called product differentiation
Each firm possesses an element of market power
No restrictions on entry of new firms
Some examples include pizza restaurants, male and female clothing, fragrances, etc.
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oligopoly
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a market structure in which
A small number of firms compete
The firms might produce almost identical products or differentiated products
Barriers to entry limit entry into the market
There arises the need for firms to use strategic behaviour models (game theory)
Some examples include automakers, brewers, air craft construction, etc.
A small number of firms compete
The firms might produce almost identical products or differentiated products
Barriers to entry limit entry into the market
There arises the need for firms to use strategic behaviour models (game theory)
Some examples include automakers, brewers, air craft construction, etc.
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monopoly
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a market structure in which
One firm produces the entire output of the industry
There are no close substitutes for the product
There are barriers to entry that protect the firm from competition by entering firms
One example is the home telephone market before cell phone technology (i.e., Bell Canada) or a local utility.
One firm produces the entire output of the industry
There are no close substitutes for the product
There are barriers to entry that protect the firm from competition by entering firms
One example is the home telephone market before cell phone technology (i.e., Bell Canada) or a local utility.
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four-firm concentration ratio
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the percentage of the total industry sales accounted for by the four largest firms in the industry.
A monopoly has a concentration ratio of 100 percent—the largest
(and only) firm has 100 percent of the sales. A four firm concentration ratio that exceeds 60 percent is regarded as an indication of a market that is highly concentrated and dominated by a few firms in an oligopoly. A ratio of less than 60 percent is regarded as an indication of a competitive market.
A monopoly has a concentration ratio of 100 percent—the largest
(and only) firm has 100 percent of the sales. A four firm concentration ratio that exceeds 60 percent is regarded as an indication of a market that is highly concentrated and dominated by a few firms in an oligopoly. A ratio of less than 60 percent is regarded as an indication of a competitive market.
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Herfindahl-Hirschman Index
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the square of percentage market share of each firm summed over the largest 50 firms in the industry
less than 1,500 --competitive.
between 1,500 and 2,500 —a form of monopolistic competition.
exceeds 2,500 --uncompetitive
10,000-monopoly
less than 1,500 --competitive.
between 1,500 and 2,500 —a form of monopolistic competition.
exceeds 2,500 --uncompetitive
10,000-monopoly
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main limitations of only using concentration measure as determinants of market structure
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1. geographical scope
2. barriers to entry and firm turnover
3. correspondence between market and industry
2. barriers to entry and firm turnover
3. correspondence between market and industry
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short run
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a time frame where at least one factor of production is fixed.
For the majority of firms, capital, land, and entrepreneurship are fixed over the short run. (the firm's plant)
labour in the short run is commonly referred to as the variable resource.
For the majority of firms, capital, land, and entrepreneurship are fixed over the short run. (the firm's plant)
labour in the short run is commonly referred to as the variable resource.
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long run
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a time frame in which all factors of production can vary
usually very difficult to reverse
involve sunk costs
usually very difficult to reverse
involve sunk costs
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sunk costs
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past expenditures on a plant that has no resale value to the firm
unrecoverable costs so not relevant in a firm's decision-making process
unrecoverable costs so not relevant in a firm's decision-making process
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total product
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total output produced in a given period.
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marginal product of labor
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the change in total product that results from a one-unit increase in the quantity of labour employed, with all other inputs remaining the same.
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average product of labour
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equal to total product divided by the quantity of labour employed
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increasing marginal returns
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arise from increased specialization and division of labour
experienced initially when firms hire extra labour
experienced initially when firms hire extra labour
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decreasing marginal returns
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arises because each additional worker has less access to capital
and less space in which to work.
experienced eventually when firms hire extra labour
and less space in which to work.
experienced eventually when firms hire extra labour
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law of diminishing returns
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As a firm uses more of a variable input with a given quantity of fixed inputs, the marginal product of the variable input eventually diminishes.
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relationship between the average product curve and the marginal product curve
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When marginal product exceeds average product, average product increases.
When marginal product is below average product, average product decreases.
When marginal product equals average product, average product is at its maximum.
When marginal product is below average product, average product decreases.
When marginal product equals average product, average product is at its maximum.
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Total cost (TC)
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cost of all resources used
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Total fixed cost (TFC)
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the cost of the firm's fixed inputs. Fixed costs do not change with output.
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Total variable cost (TVC)
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the cost of the firm's variable inputs. Variable costs do change with output.
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Marginal cost (MC)
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increase in total cost that results from a one-unit increase in total product.
calculated as the change in total cost divided by the change in total output.
Over the output range with increasing marginal returns, marginal cost falls as output increases.
Over the output range with diminishing marginal returns, marginal cost rises as output increases.
calculated as the change in total cost divided by the change in total output.
Over the output range with increasing marginal returns, marginal cost falls as output increases.
Over the output range with diminishing marginal returns, marginal cost rises as output increases.
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position of a firm's cost curves depend on two factors:
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Technology--change in cost curves (TC, AC, MC)and production curves (TP, AP, MP)
Prices of factors of production
Prices of factors of production
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production function
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the relationship between the maximum output attainable
and the quantities of both capital and labour
determines the behaviour of long-run cost
and the quantities of both capital and labour
determines the behaviour of long-run cost
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marginal product of capital
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the increase in output resulting from a one-unit increase in the amount of capital employed, holding constant the amount of labour employed
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long-run average cost curve (LRAC)
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the relationship between the lowest attainable average total cost and output when both the plant and labour are varied.
made up from the lowest ATC for each output level. When a firm is producing a given output at the least possible cost, it is operating on its long-run average cost curve .
made up from the lowest ATC for each output level. When a firm is producing a given output at the least possible cost, it is operating on its long-run average cost curve .
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economies of scale
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features of a firm's technology that lead to falling long-run
average cost as output increases. Greater specialization of both labour and capital is the main source of economies of scale.
average cost as output increases. Greater specialization of both labour and capital is the main source of economies of scale.
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diseconomies of scale
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features of a firm's technology that lead to rising long-run average cost as output increases The challenge of managing a large enterprise is the main source of diseconomies of scale.
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constant returns to scale
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features of a firm's technology that lead to constant long-run average cost as output increases LRAC is horizontal
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minimum efficient scale
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the smallest quantity of output at which the long-run average
cost reaches its lowest level. If the long-run average cost curve is U-shaped, the minimum point identifies the minimum efficient scale output level.
cost reaches its lowest level. If the long-run average cost curve is U-shaped, the minimum point identifies the minimum efficient scale output level.
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Firm coordination advantages over market coordination
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lower transaction costs
economies of scale
economies of scope
economies of team production
economies of scale
economies of scope
economies of team production