ECON 101 Lecture Notes - Lecture 12: Monopolistic Competition, Perfect Competition, Market Power

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24 Nov 2018
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Econ 101 lecture 12 competitive markets: market structure and firm behaviour, market structure is the genetic features of market that affect firm behaviour (i. e. degree of market power), including: i. ii. iii. iv. Entry and exit freedom (long-run relatively cheap or expensive to start this) Pricing behaviour (an effect: market power = ability of a single firm to affect price i. ii. iii. = ability to increase price and get away with it: Rivalry is inversely related to market power: perfectly competitive structure = no market power, competitive behaviour = some market power & rivalry, four market structures: For each market structure, the cost side of the analysis looks identical only the revenue side changes: theory of perfect competition, assumptions of perfect competition i. There is no competition in perfect competition (a perfectly competitive market structure has no market power: assumptions affecting short-run i.

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