Questions tagged [monopoly]

A market structure in which there is a single firm acting as supplier.

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21
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3answers
3k views

Why is collective bargaining by a group of employees not the same thing as price-fixing?

Employees sell their labor for wages. If a critical mass of employees get together and demand higher wages, how is this not the same thing as a critical mass of merchants illegally fixing the price of ...
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Monopolies are just a mathematical misunderstanding

A little head-scratcher (and a good example why we should be careful with notation). Consider a profit maximizing monopoly, that solves over price $$\max \pi = PQ(P) - C(Q(P)) \tag{1}$$ Following ...
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3answers
463 views

Price discrimination- how much is optimal?

I am of the understanding that as a general rule, price discrimination does not benefit consumers. Yet I can think of a situation where it does. Look at two countries, Australia and India. The price ...
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1answer
336 views

For what demand function is a monopoly most harmful?

Consider a firm with zero marginal cost. If it gives the product for free, then all the demand is satisfied and the social welfare increases by the maximum possible amount; call this increase $W$. ...
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4answers
1k views

Can destruction be profitable?

We often see news that some company destroys items they couldn't sell in time. Also we can see news of supermarkets destroying food just because it's not fresh although it's perfectly edible. If ...
7
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3answers
687 views

Can a monopoly INCREASE the market surplus compared with a competitive market?

Monopolies are often blamed for DWLs(Dead Weight Losses), while competitive markets believed to work without DWLs (assuming zero taxes/subsidies and zero externalities). But I think I found an ...
7
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2answers
2k views

Why don't consumers subsidize monopolies?

Monopolies don't maximize welfare because they set prices above the equilibrium price, leading to dead-weight loss. It is possible for the government to provide a per unit subsidy to a monopoly until ...
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1answer
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Benefits of a cartel among firms

Suppose I have $n>2$ firms selling differentiated products. These firms form a cartel for the price. The cartel has size $n_c$. Let $\pi_{i,m}$ be the payoff of a firm $i$ outside the cartel and $\...
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3answers
773 views

What are good books about monopolies and market failures?

Is there a good undergraduate level book specifically about economic monopolies and market failures?
6
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1answer
202 views

How to determine the price a monopolist will set when the demand curve the firm faces isn't known?

I'm reviewing the following question from my microeconomics course notes. I don't understand how to do part (b). A firm faces a perfectly elastic demand curve because the product it sells has a ...
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2answers
96 views

Modelling Pay what you want

I have been trying to model a Pay What you Want scheme. Now, for a monopoly it is clear that monopoly will have more profit by setting monopoly pricing assuming all players are selfish. But consider a ...
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909 views

Clarification about Market Structure Oligopoly or Monopoly

As per the definition i found in the internet, Oligopoly, in which a market is run by a small number of firms that together control the majority of the market share. Monopoly, where there is only ...
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The Backward Bending Supply Curve, Asymmetric Information, and Monopoly

This recent question about when monopoly is undesirable made me curious about when monopoly is actually desirable? I was reminded of an argument for the efficiency of monopolies when moral hazard ...
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2answers
14k views

Why is the Marginal Cost (MC) of a monopoly horizontal

I presume it's because they're price makers, but this doesn't really answer much. Furethermore, in a monopoly is it Marginal Cost or Long run marginal cost that's horizontal?
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1answer
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Can marginal revenue be increasing?

As per my calculations, the derivative of the MR curve is given by: $MR'(q)=2p'(q)+qp''(q)$, where $p(q)$ is the inverse demand curve. Therefore,for a downward sloping demand curve, if the second ...
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2answers
10k views

How can the abuses of monopoly power lead to market failure?

So I know that the abuses of monopoly power can cause market failure, but I don't know why that is. I am guessing that because monopoly's face a lack of competition, they have no incentive to improve ...
4
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1answer
95 views

Is there a class of demand functions that deliver equal surplus to consumers and a monopolist?

Consider a market with a monopolist firm that has zero marginal cost and faces demand $D(p;\mathbf{a})$, where $\mathbf{a}$ is a vector of parameters and $p$ is the price. The monopolist maximizes ...
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1answer
772 views

Hayek's defense of competition regulation

This article claims Hayek endorsed competition regulation: As it evolved, neoliberalism became more strident. Hayek’s view that governments should regulate competition to prevent monopolies from ...
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Monopoly pricing under constant elasticity of demand

While reading Ch. 24-Monopoly from Intermediate Microeconomics by Hal Varian (8 th edition), on pg. 441, he writes that a monopolist will never choose to operate where the demand curve is inelastic. I ...
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Monopoly firm's block pricing strategy making max. profit

I have question about max. profit condition for monopolist block pricing. I learned that to maximize profit in block pricing, given a linear demand curve function and constant MC, calculate $Q_2(...
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1answer
185 views

Extraction and royalty time path for a non-renewable resource under a monopolist assumption

I am trying to understand the time path of extraction and royalty (price) for a non-renewable resource under a monopolist framework. The problem is that in the main books on environmental/resource ...
3
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1answer
1k views

Why does demand curve shift in, in a monopolistic competitive market?

In a monopolistic competitive market, demand curves shift in, if more firms enter the market. I can't seem to wrap my head around it. Demand remains the same, supply has increased. Shouldn't entry of ...
3
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1answer
103 views

3rd Degree Price Discrimination

I came across a True/False question in my economics problem set: Is the following statement true or false? "A monopolist can practice third-degree price discrimination in the two markets it ...
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1answer
45 views

$p(0)\geq c'(0)$ in monopoly

$p(0)\geq c'(0)$ is assumed so that the inverse demand curve originates above the marginal cost curve. But what is the intuition behind this assumption? The highest willing-to-pay consumer is more ...
3
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1answer
106 views

Why do anti-trust regulators in China need to approve NXP's takeover?

Qualcomm is currently awaiting Chinese regulatory approval for its acquisition of rival NXP. Both companies aren't based in China. I'd understand that vehicles like tariffs can be used by countries ...
3
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1answer
44 views

Simplifying a monoplist's objective function under incomplete information

I am working through Rochet and Stohle (2003) chapter on multi-dimensional screening, and I am struggling filling in the blanks between equation (2.1) p. 154, and its simplified form on page 155. In ...
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2answers
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Effect of a subsidy on a monopoly

I'm trying to understand how a subsidy on a monopoly would affect the deadweight loss. I know a subsidy shifts the marginal cost curve downwards, creating a new equilibrium price (price decreases) and ...
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2answers
740 views

What are examples of natural monopolies that don't have overwhelming economies of scale?

On wikipedia, I read that the currently-used formal definition of a natural monopoly is where “[a]n industry in which multi-firm production is more costly than production by a monopoly”. I tried ...
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1answer
233 views

Monopoly second degree discrimination - two part tariff

In a Monopoly with second degree discrimination - two part tariff will the consumer with higher demand always pay a higher entrance fee and lower unit price than the cunsumer with lower demand or is ...
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1answer
162 views

Monopoly with price discrimination

A city has a single electricity supplier. Electricity production cost is $c$ per unit. Utility function $U(q,t)=a\ln(1+q) - t$, where $q$ is electricity consumption and $t$ is electricity tariff. What ...
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2answers
822 views

Monopoly and Taxes (Nicholson Exercise)

Hello I'm working through Microeconomic Theory : Basic Principles and Extensions of Nicholson and Snyder 10e, for an exam and I fail to get how to answer this question (p.517) : A specific tax is a ...
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1answer
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Why is AC = MC in the monopoly?

Using the Microeconomic Theory Basic Principles and Extensions, Nicholson, W. and Snyder, C., I've reached to the point where Monopoly and Imperfect Competition is discussed (Chapter 14 and 15 to be ...
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1answer
179 views

How much is someone willing to pay to own a monopoly?

I'm currently working on a problem from Intermediate Microeconomics Workouts by Varian and I've become stuck on a particular question to do with monopolies. We are given the demand curve for a ...
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1answer
213 views

What exactly is a trust?

In my history class, we're studying the Industrial Revolution and how Rockefeller came to dominate the oil industry with his Standard Oil company. According to our textbook, a man named Samuel Dodd (...
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1answer
160 views

Elasticity of Supply for a Monopolist

Is the supply of output for a monopolist less elastic than that of a perfectly competitive firm with the same production function? On one hand, it seems impossible to calculate the elasticity of ...
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1answer
204 views

Can monopolistic dead weight loss persist without government intervention? If so how?

Can monopolistic dead weight loss persist without government intervention? If so how? I am researching monopolies and find dead weight loss proposed as an evil of monopolies but i can not find any ...
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2answers
163 views

Effect on monopoly price

Suppose a monopolist adopts a technology that allows him to produce his product at lower cost. What is the likely effect on the monopoly price ?
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1answer
132 views

Help trying to find Economic Profit for a Monopoly

I'm given a demand function ( $p = 60-.002q$), Marginal Cost (\$10) and Fixed Costs (\$300,000) for a monopoly. I've figured the profit maximizing output and price: Marginal revenue function $MR = ...
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1answer
87 views

Can't government experiment on price in the case of a monopoly?

In the lecture given by Jon Gruber at MIT, he talks about the governmental regulations on monopolies, and he states that (in short) for government to regulate a monopoly, it needs to know the ...
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2answers
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Price discriminating monopolist question

A price discriminating monopolist sells in two markets. Inverse demand in market 1 is given by: $$P_1(Q_1) = 80 - (1/2)Q_1$$ and inverse demand in market 2 is given by: $$P_2(Q_2) = 100 - Q_2$$ The ...
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1answer
98 views

How effective is progressive tax at regulating monopoly?

Regardless of the morality of progressive taxes, the economical benefit of progressive tax is at least debatable. But could a highly progressive tax replace at least some of the american/european anti-...
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1answer
167 views

Does a perfectly price discriminating natural monopoly cause externalities or any type of market failure?

In perfect price discrimination, all mutually beneficial trades take place, the natural monopoly captures 100% of the surplus, and pareto efficiency is achieved. However, I've read various sources ...
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0answers
169 views

The pricing of complementary goods if one of them is purchased only once

Sorry for asking a homework question, however, I'll try to generalize it as much as possible for a future use. There are two complementary goods (A and B). B is produced under perfect competition, ...
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What does liberal economic theory say about monopolies?

Ludwig von Mises in his book "Liberalism: In the Classical Tradition" writes that in liberal economic the monopolies are rare and have a tendency to disappear. For an onlooker like me, however, his ...
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2answers
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Why are so many pharmaceutical drugs so expensive? [closed]

In the US, the drug sofisbuvir, brand name sovaldir, and used to treat liver disease hepatitis C, was launched with a price tag of $1000 a pill; and in the UK, the manufacturer Gilead recommended a ...
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1answer
76 views

Monopoly equilibrium with a completely inelastic demand [closed]

What is the impact of an inelastic demand function on a monopoly production and pricing strategy ? Theory states, that a monopoly will strive to maximize its profits, by arriving to a point where the ...
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2answers
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How does the monopoly's deadweight loss affect market surplus and the economic pie?

Source: p 312, Principles of Microeconomics (7 Ed, 2014) by N G Mankiw Welfare in a monopolized market, like all markets, includes the welfare of both consumers and producers. Whenever a consumer ...
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1answer
23 views

Is there any research, theory, or anything which shows how much of a market has to be in power of a few companies to be a force against free market?

According to Free market a free market is a system in which the prices for goods and services are determined by the open market and by consumers. In a free market, the laws and forces of supply ...
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2answers
133 views

In which market structure does the consumer has almost zero knowledge about the good?

Consider goods that are almost identical (e.g. cement) and require technical knowledge to understand their merit, which an ordinary consumer might not possess. What then is the feature characteristic ...
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1answer
90 views

When a demand function is split, how do we algebraically change function

For example, in tacit collusion for a Bertrand situation, demand would be split between the two colluding firms. How would the reflect upon the demand function? For example D = 100 - 2Q, and for ...