Fiona is not convinced that the idea of a general...

Name: Problem 1, Chapter 16: Microeconomics
Uploaded: 2019-08-14T15:58:12-08:00
Duration: 2 min 5 s
Channel: Xiaomin Bian
Description: Fiona is not convinced that the idea of a general competitive equilibrium makes sense. She reasons as follows. "If people behave according to the assumption of perfect competition, everyone is a price taker, and no one is a price maker. Therefore, there is no way for prices to reach their general equilibrium levels" What do you think of Fiona's argument?

Fiona is not convinced that the idea of a general competitive equilibrium makes sense. She reasons as follows. "If people behave according to the assumption of perfect competition, everyone is a price taker, and no one is a price maker. Therefore, there is no way for prices to reach their general equilibrium levels" What do you think of Fiona's argument?

Key Concepts

Role of Coordinating Processes in Equilibrium

In theoretical models of general competitive equilibrium, the coordination of individual decisions often relies on a conceptual process—such as the tâtonnement process or a Walrasian auctioneer—that adjusts prices based on excess demand or supply. This abstract mechanism illustrates how, despite the absence of direct price setting by individuals, competitive markets converge to equilibrium where all agents' actions are mutually consistent.

General Competitive Equilibrium

General competitive equilibrium refers to a state in an economy where all markets clear simultaneously, meaning that supply equals demand across all goods and services. It is a theoretical construct that helps explain how decentralized decisions by individual agents lead to a consistent set of prices and allocations in the whole economy, even though no single agent controls the market outcome.

Perfect Competition and Price Taking

Under perfect competition, each individual firm or consumer is considered a price taker, meaning they accept the market price as given because their own actions have a negligible impact on that price. This assumption implies that while no single agent can set prices, the aggregation of their behaviors contributes to the overall market demand and supply, thereby influencing equilibrium outcomes.

Price Adjustment Mechanism

The price adjustment mechanism is a process by which prices move toward equilibrium levels in response to excess demand or excess supply. Even though individual agents do not have the power to set prices, the decentralized interactions in the market cause prices to adjust naturally through the balance of aggregate supply and demand, ultimately leading to market clearance.

Transcript

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