Economics Theme 1: Introduction to Markets and Market Failure

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Alevel edecxcel economics

82 Terms

1

Ad valorem tax

An indirect tax imposed on a good where the value of the tax is dependent on the value of the good, a percentage tax

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2

Asymmetric information

Where one party has more information than the other, leading to market failure

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3

Capital

One of the four factors of production; goods which can be used in the production process

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4

Capital goods

Goods produced in order to aid production of consumer goods in the future

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5

Ceteris paribus

All other things remaining the same

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6

Command economy

All factors of production are allocated by the state, so they decide what, how and for whom to produce goods

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7

Complementary goods

Negative XED; if good B becomes more expensive, demand for good A falls, these are goods which are typically purchased together e.g. fish and chips

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8

Consumer goods

Goods bought and demanded by households and individuals

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9

Consumer surplus

The difference between the price the consumer is willing to pay and the price they actually pay

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10

Cross elasticity of demand (XED)

The responsiveness of demand for one good (A) to a change in price of another good (B)

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11

%change in QD of A / %change in P of B

If the cross elasticity of demand is positive, it means that the two products are substitutes, and an increase in the price of one product will lead to an increase in the demand for the other product. If the cross elasticity of demand is negative, it means that the two products are complements, and an increase in the price of one product will lead to a decrease in the demand for the other product.

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12

Demand

The quantity of a good/service that consumers are able and willing to buy at a given price at a given moment of time

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13

Diminishing marginal utility

The extra benefit gained from consumption of a good generally declines as extra units are consumed; explains why the demand curve is downward sloping

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14

Division of labour

When labour becomes specialised during the production process so workers do a specific task in cooperation with other workers

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15

Economic problem

The problem of scarcity; wants are unlimited but resources are finite so choices have to be made

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16

Efficiency

When resources are allocated optimally, so every consumer benefits and waste is minimised

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17

Enterprise

One of the four factors of production; the willingness and ability to take risks and combine the three other factors of production

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18

Equilibrium price/quantity

Where demand equals supply so there are no more market forces bringing about change to price or quantity demanded

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19

Excess demand

When price is set too low so demand is greater than supply, therefore the market is in disequilibrium.

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20

Excess supply

When price is set too high so supply is greater than demand,therefore the market is in disequilibrium.

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21

Externalities

The cost or benefit a third party experiences from an economic transaction outside of the market mechanism

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22

External cost/benefit

The cost/benefit to a third party not involved in the economic activity; the difference between social cost/benefit and private cost/benefit

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23

Free market

An economy where the market mechanism allocates resources so consumers and producers make decisions about what is produced, how to produce and for whom

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24

Free rider problem

People who do not pay for a public good still receive benefits from it so the private sector will under-provide the good as they cannot make a profit

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25

Government failure

When government intervention leads to a net welfare loss in society

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26

Habitual behaviour

A cause of irrational behaviour; when consumers are in the habit of making certain decisions

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27

Incidence of tax

The tax burden on the taxpayer

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28

Income elasticity of demand (YED)

The responsiveness of demand to a change in income

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29

%change in QD / %change in Y

The income elasticity of demand is a measure of the responsiveness of the quantity demanded of a good or service to a change in income.

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30

Indirect tax

Taxes on expenditure which increase production costs and lead to a fall in supply

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31

Inferior goods

YED<0; goods which see a fall in demand as income increases

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32

Information gap

When an economic agent lacks the information needed to make a rational, informed decision

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33

Information provision

When the government intervenes to provide information to correct market failure

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34

Labour

One of the four factors of production; human capital

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35

Land

One of the four factors of production; natural resources such as oil, coal, wheat, physical space

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36

Luxury goods

YED>1; an increase in incomes causes an even bigger increase in demand

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37

Market failure

When the free market fails to allocate resources to the best interest of society, so there is an inefficient allocation of scarce resources

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38

Market forces

Forces in free markets which act to reduce prices when there is excess supply and increase them when there is excess demand

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39

Maximum price

A ceiling price which a firm cannot charge above

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40

Minimum price

A floor price which a firm cannot charge below

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41

Mixed economy

Both the free market mechanism and the government allocate resources

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42

Model

A hypothesis which can be proven or tested by evidence; it tends to be mathematical whilst a theory is in words

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43

Negative externalities of production

Where the social costs of producing a good are greater than the private costs of producing the good

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44

Non-excludable

A characteristic of public goods; someone cannot be prevented from using the good

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45

Non-renewable resources

Resources which cannot be readily replenished or replaced at a level equal to consumption; the stock level decreases over time as they are consumed

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46

Non-rivalry

A characteristic of public goods; one person's use of the good does not prevent someone else from using it

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47

Normal goods

YED>0; demand increases as income increases

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48

Normative statement

Subjective statements based on value judgements and opinions; cannot be proven or disproven

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49

Opportunity cost

The value of the next best alternative forgone

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50

Perfectly price elastic good

PED/PES=Infinity; quantity demanded/supplied falls to 0 when price changes

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51

Perfectly price inelastic good

PED/PES=0; quantity demanded/supplied does not change when price changes

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52

Positive externalities of consumption

Where the social benefits of consuming a good are larger than the private benefits of consuming that good

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53

Positive statement

Objective statements which can be tested with factual evidence to be proven or disproven

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54

Possibility production frontier PPF

Depicts the maximum productive potential of an economy, using a combination of two goods or services, when resources are fully and efficiently employed

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55

Price elasticity of demand PED

The responsiveness of demand to a change in price

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56

%change in QD / %change in P

The equation you are referring to is the price elasticity of demand equation.

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57

Price mechanism

The system of resource allocation based on the free market movement of prices, determined by the demand and supply curves

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58

Private cost/benefit

The cost/benefit to the individual participating in the economic activity

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59

Private goods

Goods that are rivalry and excludable e.g. chocolate bar

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60

Producer surplus

The difference between the price the producer is willing to charge and the price they actually charge

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61

Public goods

Goods that are non-excludable and non-rivalry e.g. street lamp

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62

Rationality

Decision-making that leads to economic agents maximising their utility

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63

Regulation

Laws to address market failure and promote competition between firms

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64

Relatively price elastic good

When PED/PES>1 meaning a small change in price leads to a large change in quantity demanded/supplied

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65

Relatively price inelastic good

When PED/PES<1 meaning a large change in price leads to a large change in quantity demanded/supplied

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66

Renewable resources

Resources which can be replenished, so the stock of resources can be maintained over a period of time

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67

Scarcity

The shortage of resources in relation to the quantity of human wants

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68

Social cost/benefit

The cost/benefit to society as a whole due to the economic activity

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69

Social optimum position

Where social costs equals social benefits; the amount which should be produced/consumed in order to maximise social welfare

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70

Social science

The study of societies and human behaviour

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71

Specialisation

The production of a limited range of goods by a company/country/individual so they aren't self-sufficient and have to trade with others

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72

Specific tax

A tax imposed on a good where the value of the tax is dependent on the quantity that is bought

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73

State provision of goods

Through taxation, the government provides public goods or merit goods which are underprovided in the free market

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74

Subsidy

Government payments to a producer to lower their costs of production and encourage them to produce more

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75

Substitutes

Positive XED; if good B becomes more expensive, demand for good A rises

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76

Supply

The ability and willingness to provide a particular good/service at a given price at a given moment in time

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77

Symmetric information

Where buyers and sellers both have access to the same information

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78

Trade pollution permits

Licenses which allow businesses to pollute up to a certain amount. The government controls the number of licenses and so can control the amount of pollution. Businesses are allowed to sell and buy the permits which means there may be incentive to reduce the amount they pollute

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79

Unitary price elastic good

When PED/PES=1; a change in price leads to a change in output by the same proportion

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80

Utility

The satisfaction derived from consuming a good

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81

Weakness at computation

A cause of irrational behaviour; when consumers are bad at making calculations, estimating probabilities and working out future benefits/costs

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82

Market disequilibrium

An imbalance between supply and demand - such that supply exceeds the level of demand or demand exceeds the available supply.

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