2.3 Competitive Market Equilibrium

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12 Terms

1
<p>Market Equilibrium </p>

Market Equilibrium

When the quantity demanded and quantity supplied are equal.

When the market “clears” occurs when the plans of the consumer is equal to the plans of the producer.

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2

Surplus

Surplus occurs when the quantity supplied is higher than the quantity demanded in a market, which leads to the market disequilibrium

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3

Shortage

Shortage occurs when the demand of the good is higher than the supply of the good, causing a shortage of the good, leading to market disequilibrium

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4

Price Mechanism

How the prices are determined by the forces of supply and and demand in a competitive market

There are two main functions: price signalling function and incentive function.

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5

Price Signalling Function

Provides an information for producer and consumers regarding to where resources are required (When there is a shortage) in markets and where resources are not (When there is a surplus) required in the market.

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6

Rationing Scarce Resource

Occurs during shortages and surpluses. In a shortage, prices increase due to high demand, deterring some consumers. In a surplus, prices decrease as demand is low, encouraging consumers to buy more.

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7

Consumer Surplus

Shows the difference between the highest price the consumer are willing to pay and what they have actually paid for it.

A consumer surplus is a benefit to the consumer

<p>Shows the difference between the highest price the consumer are willing to pay and what they have actually paid for it. </p><p>A consumer surplus is a <strong>benefit </strong>to the consumer</p>
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8

Producer Surplus

The difference between what the producer/seller is willing to sell and what they actually sold the good at.

Benefit to the producer

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9

Social Surplus

The sum of producer surplus and consumer surplus at a particular price and quantity

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10

Allocative Efficiency

A social optimal outcome where resources are allocated such that the producer surplus and consumer surplus is maximised

No one can make anyone better off without making someone worse off

When MB (Marginal benefit) = MC (Marginal cost)

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11

Marginal Benefit

The additional amount of happiness or benefit gained from the additional assumption of one unit of the good.

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12

Price Rationing

When the price of a good/service is allocated to limited resources. Higher price can limit the resources to individuals who are willing and able to pay.

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