ECO100Y5 Chapter Notes - Chapter 9: Marginal Revenue, Perfect Competition, Market Structure
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ECO100Y5 Full Course Notes
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Market structure; all features of market that afect behavior and performance of irms in that market: number and size of sellers, extent of knowledge about another"s acions, degree of freedom of entry, degree of product difereniaion. Market power; ability of irm to inluence price of its product. Market is compeiive when irms have litle or no market power. More market power irms have, less compeiive the market structure. Perfectly compeiive market structure/perfectly compeiive market: no need for individual irms to compete with one another, all irms have equal power. Perfect compeiion; market structure in which all irms in industry are price takers, and in which there is freedom of entry into and exit from the industry. Assumpions of perfect compeiion: all irms in industry sell idenical product. Each irm is small relaive to industry: industry characterized by freedom of entry and exit; new irms free to enter and start producing, old irms free to cease producion.