Questions tagged [perfect-competition]
The perfect-competition tag has no usage guidance.
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Problem about production costs
I have this problem to solve:
The AOE (Association of Entrepreneurs) has decided to set up a tax and accounting assistance center for its members. Obviously, the volume (Q) of assistance that can be ...
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How can an individual firm sell ANY quantity for the market price under perfect competition?
I keep hearing that under perfect competition, an individual firm can sell ANY quantity as long as they sell at the equilibrium price. But this doesn’t make sense to me. For the market supply and ...
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How is it possible for demand to be perfectly elastic under perfect competition?
So according to perfect competition, a single firm is a price taker, having to sell at the equilibrium price as determined by supply and demand. As you can see from the single firm graph, demand is ...
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Does profit maximization imply cost minimization in both pure competition and monopoly?
How do I show that profit maximization implies cost minimization (in pure competition)?
Suppose we only consider inputs $l,k$ whose prices are $w,r$ and output price $p$. Profit is $\pi = pf(k,l) - wl ...
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Industry supply and short-run cost function
If we know that the long-run number of firms in a competitive market is $50$, the total short-run cost (associated with the long-run equilibrium output) is $C_s(q) = 0.5q^2 - 10q + 200$, can we say ...
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Violation of the zero-profit condition
Suppose a perfectly competitive firm has cost function $C(q) = 40 + 0.5q + 0.05q^2$. If the market price is $p = 8$, the profit made is maximized at $MR = MC \implies 8 = 0.5 + 0.1q \implies q^{*} = ...
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Perfect competition allocations
Suppose the market demand is $P(Q) = \alpha - \beta(Q)$ where $Q = \sum q_1$. Variable $q_i$ denotes the output of the $i$th firm and $Q$ is the total output. The marginal cost for each firm is $c$.
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In a perfectly competitive market, how are the market demands taken into consideration?
In a perfectly competitive market, how are the market demands taken into consideration? Or is it that the market demand isn't a concept there as such due to a very large market and setting the price ...
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Duopoly Paradox
In these lectures, the professor shows that in a Cournot Duopoly, firms will supply a total market quantity of identical goods between that of a monopoly and that of a perfect competition, while in a ...
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Book reference for graphs explaining ad valorem and specific taxes
Does anyone know any book in which I can read and see graphs about the ad valorem or specific tax in monopolies or perfect competition?
I need a graph like this with the explanation but i can't find ...
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Why Marginal Cost (MC) equal Market Price (PC)?
In most models, perfect competition implies that MC = P, shouldn't it be the average cost that is equal to price instead?
If the Average Cost is greater than the Marginal Cost, firms are losing money ...
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Supply and Demand Curves under Perfect Competition
I am real learning microeconomics with a bit more math under my belt, but could not understand why the MR=P in competitive markets.
This was my attempt at reasoning
Given,
$R= P*q$
For a linear demand ...
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Why is the number of firms in the short run fixed?
My textbook says that in perfect competition the condition of free entry and exit only applies to the long run equilibrium. Because in the short run no new firms can enter or old ones can leave the ...
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Long run equilibrium price under perfect competition
I have a problem related to Ricardian rent.
I have one firm, let's call it X firm, and all of the other firms in the market. All firms have to pay some transportation costs due to their land except ...
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Uniform price vs. pay-as-bid auctions in energy markets
These two types of auctions are most commonly used in the energy trading markets. What would be advantages and disadvantages of each? And in the end, can we expect them to deliver similar outcome?
One,...
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Competitive markets, taxation and international trade
Suppose that in a competitive market, the supply function is given by $S(p) = 5000(p-2)$ and the demand function is given by $D(p) = 2000(16-p)$. Suppose still, that in order to recompose its' budget ...
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Why wouldn't other firms follow suit if an individual firm decides to cut its price?
Why doesn't the demand curve an individual firm faces in a perfectly competitive market have the same elasticity as it does in a oligopolistic market?
Under perfect competition, if a firm increases ...
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Microeconomics question
I'm given this question. I'm not sure if I'm doing it right. Can any one help?
...
user31619
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Why does a firm make profit in a perfect competition market
I'm solving a problem about $n=180$ firms in a perfect competition market, where demand is given by $D(p)=100-5p$. A firm's cost function is $c(q_i) = 2 \cdot (q_i)^2$. Using $p = c'(q_i)$ and the ...
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Long Term Economic Profit for Perfectly Competitive market
When we consider a perfectly competitive market, in the short run we will run a firm if the total economic profit though negative till price is above shutdown point.In long run we will run at an ...
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Is the minimum of short run average cost equal to the minimum of long run average cost? [duplicate]
I understand that for perfect competition, the price is equal to minimum short and long run average cost in the long run as there cannot be any supernormal profits.
Does this mean that the short run ...
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Does the minimum of short-run average cost equal the minimum of long-run average cost in the long run for perfect competition?
I was recently reading this resource (http://www2.econ.iastate.edu/classes/econ101/hallam/Comp_LongRun_HND.pdf) which states that in the long run for perfect competition, price is equal to both the ...
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