MICRO - Unit 2 Flashcards

1
Q

What is a market?

A

a voluntary meeting of buyers and sellers

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2
Q

What is a competitive market?

A

is when there a large number of buyers and sellers that all accept the market price which is not set by individuals decision but the interaction of all those take part in market.

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3
Q

What are the features of a highly competitive market?

A

lack of entry and exit barriers - easily enter the marker

high levels of transparency - see what everyone is doing in the marker

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4
Q

What is meant by demand?

A

the quantity of goods or services that consumers are willing to buy and able to buy at given prices in a given time period

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5
Q

What is market demand?

A

the sum of the demand of all consumers in the market

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6
Q

What does the law of demand state?

A

when price falls more is demanded. The relationship between price and quantity demanded is inverse

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7
Q

What does the demand curve show?

A

the relationship between price and quantity

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8
Q

On the demand curve what label is on the y and x axis?

A

y axis - price

x axis - quantity demanded

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9
Q

How is a change of price shown on the demand curve?

A

movement along the curve

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10
Q

What is a normal good?

A

is one where if price rises demand will fall and vice versa

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11
Q

What is the rational choice theory?

A

makes the assumption that individuals make logical decisions that maximise their personal benefit

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12
Q

What is a extension of demand?

A

price decreases quantity increases

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13
Q

What is contraction of demand?

A

increase in price, decreases quantity

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14
Q

What are 3 determinants of demand?

A
  • the price of good
  • consumer income
  • prices of other goods and services
  • consumer taste and preference
  • other factors e.g advertising
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15
Q

What is the ‘Snob effect’ by Thorstein Veblen

A

where people pay more for certain products as their price increases

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16
Q

What are Giffen goods

A

certain inferior products where demand rose as consumer incomes increase

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17
Q

What is a complimentary good?

A

those that are often brought together

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18
Q

Which way is the shift if demand increases?

A

right

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19
Q

Which way is the shift if demand decreases?

A

left

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20
Q

What is a substitute?

A

competing alternative for another product e.g coke and pepsi

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21
Q

What causes shifts in demand?

A
  • changes in price or availability of substitutes
  • changes in price or availability of complements
  • changes in taste
  • changes in consumer income
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22
Q

What causes a rightward shift in the demand curve?

A
  • increase in price of substitute goods
  • decrease in price of complementary goods
  • increase in disposable income
  • successful advertising campaign making people think more favourably about the good
  • increase in population size
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23
Q

What are inferior goods?

A

is a good where demand decreases as income increases and demand increases as income decreases

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24
Q

What are luxury goods?

A

where demand increases more proportionally as income rises

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25
Q

What are 3 types of elasticity?

A

price
income
cross

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26
Q

What is the formula for price elasticity?

A

percentage change in QD/ percentage change in P

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27
Q

What is the PED coefficient for perfectly inelastic?

A

0

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28
Q

What is the PED coefficient for inelastic?

A

0<1

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29
Q

What is the PED coefficient for unitary elasticity?

A

1

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30
Q

What is the PED coefficient for elastic?

A

1 > infinite

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31
Q

What is the PED coefficient for perfectly elastic?

A

infinite

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32
Q

What is the relevance to business of perfectly inelastic?

A

the business can charge as high price as it wants to.

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33
Q

What is the relevance to business of price inelastic?

A

firm should increase in P, D will decrease in QD but increase in total revenue

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34
Q

What is the relevance to business of unitary elasticity?

A

increasing or decreasing price will lead to no change in total revenue

35
Q

What is the relevance to business of price elastic?

A

a firm should decrease P, D will increase but increase total revenue

36
Q

What is the relevance to business of perfectly elastic?

A

if the business raises price above a certain point demand would decrease

37
Q

How do you work out percentage change?

A

change/ original X 100

38
Q

What are the determinants of price elasticity of demand ?

A

substitutes - if there are no close or lack of available substitutes the product price is likely to be inelastic
time - in the short run more product prices are likely to be inelastic as consumer find it hard to change their shopping habits.In the long run the price would be elastic as consumer would adjust to the changes

39
Q

What are the determinants of price elasticity of demand ?

A

substitutes - if there are no close or lack of available substitutes the product price is likely to be inelastic
time - in the short run more product prices are likely to be inelastic as consumer find it hard to change their shopping habits.In the long run the price would be elastic as consumer would adjust to the changes in market conditions
definition of market - wider the marker PED more inelastic

40
Q

What is PED?

A

measures the responsiveness of demand to change in price

41
Q

What is YED?

A

measures the responsiveness of demand to change in income

42
Q

What is the formula for YED?

A

percentage change in QD/ percentage change in income

43
Q

What is the YED coefficient of income inelastic?

A

-1 < +1

44
Q

What is the YED coefficient of income elastic?

A

< - 1 or > + 1

45
Q

What is the relevance to the business of income inelastic?

A

demands changes at a lower proportion than the increase in income

46
Q

What is the relevance to the business of income elastic?

A

demands changes at a higher proportion than the increase in income

47
Q

What is the sign for a normal good?

A

+ (positive income elasticity of income)

48
Q

What is the sign for a inferior good?

A
  • (negative income elasticity of income)
49
Q

What are the determinants of income elasticity of demand?

A

whether the good is a necessity or a luxury - at higher standards of living income increases so more luxuries are brought and necessities is satiated
the level of consumer income - poorer consumers spend their income on necessities
higher standard of living - more likely to have a more disposable income, more luxuries sold
economic of cycle - when in recovery mode and entering a boom income increases and spending increases on necessities and then inferior goods. When the economy is in decline and leading into slump disposable incomes decrease and consumers spend less of incomes on luxury goods, moving to necessities and then inferior goods

50
Q

What are the 2 types of normal goods?

A

necessities and luxuries

51
Q

What are necessities?

A

are products with positive YED that is between 0 and 1

52
Q

What are luxuries?

A

are products with positive YED that is more than 1

53
Q

What is are the products called with a negative YED less than 0 ?

A

inferior goods or services

54
Q

What is the meaning of XED?

A

measure of responsiveness of demand for one good x ato a change in price of good y

55
Q

What is the formula for XED?

A

percentage change in QD of X / percentage change in P of Y

56
Q

What is the XED coefficient for cross-price inelastic?

A

-1 < +1

57
Q

What is the XED coefficient for cross-price elastic?

A

< -1 or > + 1

58
Q

What is the relevance to the business of cross-price inelastic?

A

demand for good X changes at a lesser proportion than the change in price of good of Y

59
Q

What is the relevance to the business of cross-price elastic?

A

demand for good X changes at a greater proportion than the change in price of good of Y

60
Q

What are the determinants of cross-elasticity of demand?

A

substitute - will have a positive elasticity, as the price of Y increases the demand for good X will increase, close substitute will have a higher XED
complement - have a negative cross-price elasticity, as the price of good Y increases the demand for X will decrease. Close compliments will have a higher XED as consumer demand for good X will be more sensitive to a change in price of good Y
firms will attempt to change the cross-elasticity of their products - substitutes, firms will try to differentiate their products from competitors done through advertising
complements - firms will produce a range of complements to accompany their core products

61
Q

What is supply?

A

the quantity of a good or service that all the firms or producers in the market plan to to sell at different prices

62
Q

What is market supply?

A

the sum of the supply of all firms or producers in the market at different market prices

63
Q

What way is the supply curve sloping?

A

up

64
Q

Why does the supply curve slope upwards?

A

economist assume that a firm’s objective is to profit maximise

65
Q

What does a supply curve show the relationship between?

A

price and quantity

66
Q

What are the determinants which affect supply?

A

the price of the good
the impact of changing costs of production
technology progress
prices of other goods and services
government policies e.g taxes and subsidies

67
Q

What are the 2 types of taxes?

A

indirect and direct

68
Q

What are direct taxes?

A

taxes which are paid directly to the government e.g income tax

69
Q

What are indirect taxes?

A

is applied to the manufacture of goods and services e.g VAT

70
Q

What is joint supply?

A

when production of one product leads to an increase supply of by product

71
Q

What is competing supply?

A

when materials are used to produce one good but can’t produce another

72
Q

What is price elasticity of supply (PES)?

A

is a measure of the responsiveness of supply to a change in price

73
Q

What is the calculation for PES?

A

percentage change in QS / percentage change in P

74
Q

What does it mean if the PES coefficient is 0?

A

perfectly inelastic

75
Q

What does it mean if the PES coefficient is 0-1 ?

A

inelastic

76
Q

What does it mean if the PES coefficient is 1?

A

unitary elastic

77
Q

What does it mean if the PES coefficient is 1 - infinity ?

A

elastic

78
Q

What does it mean if the PES coefficient is infinity ?

A

perfectly elastic

79
Q

What is the relevance to a business if it is perfectly inelastic?

A

the business does not change S in response to change in price

80
Q

What is the relevance to a business if it is inelastic?

A

if P rises, S increases but at a lesser proportion to the increase in P

81
Q

What is the relevance to a business if it is unitary elastic?

A

increasing or decreasing price will lead to a proportional change in supply

82
Q

What is the relevance to a business if it is elastic?

A

If P rises, S increases but at a greater proportion to the increase in P

83
Q

What is the relevance to a business if it is perfectly elastic?

A

producers will supply any amount above a certain P

84
Q

What are the factors which determine PES?

A

length of production period - more elastic if firms take less time to produce (hours/days - elastic) (months/years - inelastic)
availability of spare capacity - if resources can be readily available, production can be quicker
ease of switching between alternative methods of production - switching capital and labour, more elastic
ease of accumulating stock - when stocks of unsold goods are stored at low cost firms can respond quickly to a sudden change in demand
number of competitors
time
substitutes