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The theory of the firm consists of a number of economic theories that explain and predict the nature of the firm, company, or corporation, including its existence, behaviour, structure, and relationship to the market. [1] Firms are key drivers in economics, providing goods and services in return for monetary payments and rewards.
For simplicity, we assume each firm faces the same marginal cost. That is, for a given firm 's output quantity, denoted where {,}, firm 's cost of producing units of output is given by () =, where is the marginal cost. This assumption tells us that both firms face the same cost-per-unit produced.
Suppose there are two firms, we use C for the marginal cost, C1 stands for the marginal cost of firm 1 and C2 stands for the marginal cost of firm 2. From the result, there are two cases: When C1 < C2, Firm 1 can set the price between C1 and C2. C1 = C2 = C; This is the case of the basic Bertrand Competition which both firms have the same ...
If the cost of changing a firm's manufacturing process to produce the substitute is also relatively "immaterial" in relationship to the firm's overall profit and cost, this is sufficient to ensure that an economic situation isn't significantly different from a perfectly competitive economic market.
A firm making profits in the short run will nonetheless only break even in the long run because demand will decrease and average total cost will increase, meaning that in the long run, a monopolistically competitive company will make zero economic profit. This illustrates the amount of influence the company has over the market; because of brand ...
A firm is a natural monopoly if it is able to serve the entire market demand at a lower cost than any combination of two or more smaller, more specialized firms. Or natural obstacles, such as the sole ownership of natural resources, De beers was a monopoly in the diamond industry for years.
That would make the market more contestable. Sunk costs are those costs that cannot be recovered after a firm shuts down. For example, if a new firm enters the steel industry, the entrant needs to buy new machinery. If, for any reason, the new firm cannot cope with the competition of the incumbent firm, it will plan to move out of the market.
In economics and commerce, the Bertrand paradox — named after its creator, Joseph Bertrand [1] — describes a situation in which two players (firms) reach a state of Nash equilibrium where both firms charge a price equal to marginal cost ("MC"). The paradox is that in models such as Cournot competition, an increase in the number of firms is ...