The document discusses Bain's limit pricing model. It states that under Bain's model, oligopoly firms do not maximize profits in the short run due to fear of attracting potential new entrants. Instead, firms fix a price on the inelastic portion of the demand curve called the limit price, which is the highest price that deters new firm entry. The limit price allows existing firms to earn abnormal profits above competitive levels but below monopoly profits, maintaining market stability. Diagrams are included showing the limit price between the perfect competition and monopoly price points.
Neo classical general equilibrium theory which is based on Walrasian theory of general equilibrium 2*2*2 model and Marshallian graphical representation
MBA 681 Economics for Strategic DecisionsPrepared by Yun Wan.docxalfredacavx97
MBA 681 Economics for Strategic Decisions
Prepared by Yun Wang
1. How does firm maximize profit.
2. Poduction decision in the perfect competitive market.
3. Production decision in monopolistic competitive market.
4. Production decision in oligopoly.
5. Production decision in monoply.
6. Two special models in oligopoly market.
1. How a Firm Maximizes Profit:
All firms try to maximize profits based on the following equation:
Profit = Total Revenue − Total Cost
The rules we have just developed for profit maximization are:
1. The profit-maximizing level of output is where the difference between total revenue and total
cost is greatest, and
2. The profit-maximizing level of output is also where MR = MC.
Notice: All of these rules do not require the assumption of market type; they are true for all
firms with different market structures (perfect competition, monopolistic competition,
oligopoly, monopoly)!
The Four Market Structures:Structures
Market Structure
Characteristic Perfect Competition
Monopolistic
Competition Oligopoly Monopoly
Type of product Identical Differentiated Identical or differentiated Unique
Ease of entry High High Low Entry blocked
Examples of
industries
Growing wheat
Poultry farming
Clothing stores
Restaurants
Manufacturing computers
Manufacturing automobiles
First-class mail delivery
Providing tap water
2. Profit Determination in Perfect Competitive Market:
A firm maximizes profit at
the level of output at which
marginal revenue equals
marginal cost.
The difference between
price and average total cost
equals profit per unit of
output.
Total profit equals profit per
unit of output, times the
amount of output: the area
of the green rectangle on the
graph.
In the graph on the left, price
never exceeds average cost,
so the firm could not possibly
make a profit.
The best this firm can do is to
break even, obtaining no
profit but incurring no loss.
The MC = MR rule leads us to
this optimal level of
production.
The situation is even worse
for this firm; not only can it
not make a profit, price is
always lower than average
total cost, so it must make
a loss.
It makes the smallest loss
possible by again following
the MC = MR rule.
No other level of output
allows the firm’s loss to be
so small.
Identifying Whether a Firm Can Make a Profit
Once we have determined the quantity where MC = MR, we can immediately know
whether the firm is making a profit, breaking even, or making a loss. At that quantity,
• If P > ATC, the firm is making a profit
• If P = ATC, the firm is breaking even
• If P < ATC, the firm is making a loss
Even better: these statements hold true at every level of output.
However, if the price is too low, i.e. below the minimum point of
AVC, the firm will produce nothing at all.
The quantity supplied is zero below this point.
3. Profit Determination in Monopolistic Competitive Market:
(1 of 3)
In the short run, a monopol.
Neo classical general equilibrium theory which is based on Walrasian theory of general equilibrium 2*2*2 model and Marshallian graphical representation
MBA 681 Economics for Strategic DecisionsPrepared by Yun Wan.docxalfredacavx97
MBA 681 Economics for Strategic Decisions
Prepared by Yun Wang
1. How does firm maximize profit.
2. Poduction decision in the perfect competitive market.
3. Production decision in monopolistic competitive market.
4. Production decision in oligopoly.
5. Production decision in monoply.
6. Two special models in oligopoly market.
1. How a Firm Maximizes Profit:
All firms try to maximize profits based on the following equation:
Profit = Total Revenue − Total Cost
The rules we have just developed for profit maximization are:
1. The profit-maximizing level of output is where the difference between total revenue and total
cost is greatest, and
2. The profit-maximizing level of output is also where MR = MC.
Notice: All of these rules do not require the assumption of market type; they are true for all
firms with different market structures (perfect competition, monopolistic competition,
oligopoly, monopoly)!
The Four Market Structures:Structures
Market Structure
Characteristic Perfect Competition
Monopolistic
Competition Oligopoly Monopoly
Type of product Identical Differentiated Identical or differentiated Unique
Ease of entry High High Low Entry blocked
Examples of
industries
Growing wheat
Poultry farming
Clothing stores
Restaurants
Manufacturing computers
Manufacturing automobiles
First-class mail delivery
Providing tap water
2. Profit Determination in Perfect Competitive Market:
A firm maximizes profit at
the level of output at which
marginal revenue equals
marginal cost.
The difference between
price and average total cost
equals profit per unit of
output.
Total profit equals profit per
unit of output, times the
amount of output: the area
of the green rectangle on the
graph.
In the graph on the left, price
never exceeds average cost,
so the firm could not possibly
make a profit.
The best this firm can do is to
break even, obtaining no
profit but incurring no loss.
The MC = MR rule leads us to
this optimal level of
production.
The situation is even worse
for this firm; not only can it
not make a profit, price is
always lower than average
total cost, so it must make
a loss.
It makes the smallest loss
possible by again following
the MC = MR rule.
No other level of output
allows the firm’s loss to be
so small.
Identifying Whether a Firm Can Make a Profit
Once we have determined the quantity where MC = MR, we can immediately know
whether the firm is making a profit, breaking even, or making a loss. At that quantity,
• If P > ATC, the firm is making a profit
• If P = ATC, the firm is breaking even
• If P < ATC, the firm is making a loss
Even better: these statements hold true at every level of output.
However, if the price is too low, i.e. below the minimum point of
AVC, the firm will produce nothing at all.
The quantity supplied is zero below this point.
3. Profit Determination in Monopolistic Competitive Market:
(1 of 3)
In the short run, a monopol.
Imperfect competition is an economic concept used to describe marketplace conditions that render a market less than perfectly competitive, creating market inefficiencies that result in losses of economic value.
In the real world, markets are nearly always in a condition of imperfect competition to some extent. However, the term is typically only used to describe markets where the level of competition among sellers is substantially below ideal conditions.A situation of imperfect competition exists whenever one of the fundamental characteristics of perfect competition is missing. When there is perfect competition in a market, prices are controlled primarily by the ordinary economic factors of supply and demand.
Notably, the stock market may be viewed as a continually imperfect market because not all investors have ready access to the same level of information regarding potential investments.
Imperfect competition commonly exists when a market structure is in the form of monopolies, duopolies, oligopolies, or monopsony (very rare)
Market structures that effectively render competition imperfect are most often characterized by a lack of competitive suppliers. Imperfect competition often exists as a result of extremely high barriers to entry for new suppliers. For example, the airline industry has high barriers to entry due to the extremely high cost of aircraft.
The most extreme condition of imperfect competition exists when the market for a particular good or service is a monopoly, one in which there is a sole supplier. A supplier that has a monopoly on the provision of a good or service essentially has complete control over prices.
Because it has no competition from other suppliers, the sole supplier can essentially set the price of its goods or services at any level it desires. Monopolies often charge prices that provide them with significantly higher profit margins than most companies operate with.
A duopoly is a market structure in which there are only two suppliers. Although duopolies are somewhat more competitive than monopolies, the level of competition is still far from perfect, as the two suppliers still have significant control of marketplace prices.
An example of a duopoly exists in the United Kingdom’s detergent market, where Procter & Gamble (NYSE: PG) and Unilever (NYSE: UL) are virtually the only suppliers. The two suppliers in a duopoly often collude in price setting.
Oligopolies are much more common than either monopolies or duopolies. In an oligopoly, there are several – but a small, limited number – of suppliers. The market for cell phone service in the United States is an example of an oligopoly, as it is essentially controlled by just a handful of suppliers. The small number of suppliers, which limits buying choices for consumers, provides the suppliers with substantial, although not complete, control over pricing.
A rare form of imperfect competition is monopsony. A monopsony is a single buyer, rather than any supplier.
Cost-plus pricing: Simplistic strategy that guarantees that price is higher than the estimated average cost
Studies of pricing behavior suggest that many managers who use cost-plus pricing do not price optimally.
Definition of Markup: Markup = (Price – Cost)/Cost where Cost here is cost per unit
The short-run equilibrium in monopolistic competition is Identical to short-run equilibrium under monopoly
As entry and exit of firms from the product group shifts individual firms’ demand curves, long-run equilibrium occurs where profit is equal to zero.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
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The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
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Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
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This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
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2. Limit pricing
• Traditional theory only discusses actual entry,
not potential entry of new firms. This leads to
normal profits in the long run in perfect and
monopolistic competition.
• According to Bain:
Firms do not maximise profits in the short run
due to fear of potential entry of new firms
attracted by the maximum profits.
This will reduce their long run profits.
2Prabha Panth
3. Limit pricing
So Oligopoly firms fix a P that does not maximise
their revenue, i.e. P is fixed on the Inelastic
part of D-curve.
• Limit Price: highest price that existing firms
charge without fear of attracting new firms.
“Entry preventing” price, acts as barrier to
entry of new firms.
3Prabha Panth
4. • Assumptions:
1. There is a determinate long run industry D-curve,
2. Collusion among existing oligopoly firms,
3. Limit pricing. Price set depends on:
a. Estimated costs of potential entry,
b. Market elasticity of D,
c. Shape and level of LAC (constant costs)
d. Size of the market,
e. Number of firms in the industry
4. Established firms seek long run profits.
5. Uncertainty above the limit price, as new firms
enter.
Prabha Panth 4
6. Prabha Panth 6
In figure 1:
• Downward sloping AR, MR curves.
• Constant cost industry, LAC is horizontal straight line.
LAC = LMC
1) PC firm: P = oPc. Equilibrium at B, Q= Qc. Normal
profits as AR = LACc.
2) Monopoly firm: P = Pm. Equilibrium at m, MC=MR,
MC. Q = Qm. Abnormal profits = PcPmA m.
3)Limit Price firm: price fixed at Pl > Pc, but < Pm.
Point of entry of potential firms. Abnormal profits =
PcPl CC1 < Monopoly profits, but > perfect
competition.
7. • Monopoly price is fixed at the elastic part of
the demand curve.
• Monopoly firm makes large abnormal profits.
• This attracts new firms, and monopoly loses
its market. Area of uncertainty.
• If firms fix a price < Pm but > Pc,
• They still earn some abnormal profits, but not
maximum profits.
Prabha Panth 7
8. • At this price, D curve is inelastic, i.e. MR
<0.
• Prevents new entry, as at this price, new
firms make only normal profits.
• Oligopoly market remains stable.
Prabha Panth 8