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Indeed, if everyone is price taker, there is the need for a benevolent planner who gives and sets the prices, in other word, there is a need for a "price maker". Therefore, it makes the perfect competition model appropriate not to describe a decentralized "market" economy but a centralized one.
In other words, market power occurs if a firm does not face a perfectly elastic demand curve and can set its price (P) above marginal cost (MC) without losing revenue. [2] This indicates that the magnitude of market power is associated with the gap between P and MC at a firm's profit maximising level of output.
Perfect competition refers to a type of market where there are many buyers and sellers that feature free barriers to entry, dealing with homogeneous products with no differentiation, where the price is fixed by the market. Individual firms are price takers [3] as the price is set by the industry as a whole. Example: Agricultural products which ...
Firms operating as monopolies or in imperfect competition face downward-sloping demand curves. To sell extra units of output, they would have to lower their output's price. Under such market conditions, marginal revenue product will not equal . This is because the firm is not able to sell output at a fixed price per unit.
Without barriers to entry and collusion in a market, the existence of a monopoly and monopoly profit cannot persist in the long run. [1] [3] Normally, when economic profit exists within an industry, economic agents form new firms in the industry to obtain at least a portion of the existing economic profit.
If the industry is perfectly competitive (as is assumed in the diagram), the firm faces a demand curve that is identical to its marginal revenue curve (), and this is a horizontal line at a price determined by industry supply and demand.
Accepted neo-classical micro-economic theory indicates the American accounting and finance definition of markup, as it exists in most competitive markets, ensures an accounting profit that is just enough to solely compensate the equity owners of a competitive firm within a competitive market for the economic cost (opportunity cost) they must ...
The first states that in economic equilibrium, a set of complete markets, with complete information, and in perfect competition, will be Pareto optimal (in the sense that no further exchange would make one person better off without making another worse off). The requirements for perfect competition are these: [1]