Theme 3 - Business Behaviour and the Labour Market Flashcards
Why do firms grow
- experience economies of scale
- greater market share
- diversification
- managerial objectives
What do firms get from experiencing economies of scale when growing
- reduce costs of production
- sell more goods and make more revenue
- make more profit, firms are motivated by profit
What do firms get from having a greater market share when growing
- market power
- ability to influence prices
- restrict ability of other firms to enter market
- make greater profits in long run
- reduce costs by driving down prices of raw material with monopsony power
What do firms get from diversification when growing
- greater security
- build up assets and cash
- can be used in financial difficult times
- likely to sell greater range of goods in more markets
- less affect by changes to products or places
How is there a principle agent problem
- separation of ownership and control
- separation causes problems due to differing aims of the two stakeholders
How is there separation of ownership and control (principle agent problem)
- firms owned by shareholders (not involved in day to day running of business)
- managers work for company and make day to day decisions
What problems are caused due to the differing aims of the two stakeholders (principle agent problem)
- owners want to maximise returns on investments so want to short run profit maximise
- managers want to maximise their own benefits
What is the principle agent problem
- one group (agents) make decisions on behalf of another group (principle)
- agent should maximise benefit for those they look after but have temptation to maximise their own benefit
- due to this, many firms run to profit satisfice instead of profit maximise
What is the public sector
- part of economy owned or controlled by local or central government
- purpose is to provide service for UK citizens
- profit is not main aim
- some may make a loss, funded by taxpayer
What is the private sector
- part of economy which is owned and run by individual or groups
How can the private sector be further split
- profit organisations
- not for profit organisations
What are profit organisations in the private sector
- run to make a profit and maximise financial benefits for shareholders
- not always profit-maximising but long term goal is to make money
What are not-for-profit organisations in the private sector
- any profit made is used to support aim of maximising social welfare
- include organisations such as charities
What do firms get in terms of managerial objectives when growing
- managers receive numeration packages, determined by sales performance of firm
- provides incentives to increase size of firm
- may increase size of firm to satisfy ego
Why do some firms choose to remain small
- diseconomies of scale
- extra work and risks
- legal requirements
How do diseconomies of scale disincentivise firm growth
- occurs when business grows
- can increase costs per unit
- leads to an overall increase in costs
How does extra work and risk disincentivise growth for firms
- growth involves sunk costs which cannot be recovered if expansion fails
- much more labour and other factors needing to be controlled
How do legal requirements disincentivise growth for firms
- small firms face less, more compliable regulations than larger firms
- staying small allows for a more manageable regulatory framework for firms
Why must some firms remain small
- finance
- niche market
- knowledge
- resources
How does finance prevent some firms from growing
- unable to finance expansion
- banks and lenders see small firms as risky borrowers
- either offered credit on strict terms (not ideal) or not at all
How do niche markets prevent some firms from growing
- small customer base
- no need to grow
How does knowledge prevent some firms from growing
- knowledge, skills, and expertise may be lacking
- not all businesses have entrepreneurs with ability to steer through a successful expansion
How do resources prevent some firms from growing
- firm may lack resources to cope with additional regulations and bureaucracy that expansion entails
What are the types of growth
- organic growth
- inorganic growth
What is organic growth
- internal growth
- occurs when a business gets larger by increasing scale of its own operations rather than relying on integration with other businesses
What is inorganic growth
- external growth
- occurs when a business gets larger by buying other companies or forming a business relationship with them
What are the advantages of organic growth
- cheaper than external growth
- firm is able to keep control of their business
What are the disadvantages of organic growth
- sometimes another firm has a market or asset which the company would be unable to gain through organic growth (expanding into markets in another country)
- organic growth may be too slow to maximise salaries for directors
- difficult to get new ideas
What are the types of inorganic growth
- vertical integration
- horizontal integration
- conglomerate integration
What is vertical integration
- integration of firms in the same industry but at different stages in the production process
- forwards vertical integration
- backwards vertical integration
What is forwards vertical integration
- integration with a firm in the same industry but closer towards the final good produced
What is backwards vertical integration
- integration with a firm in the same industry but closer towards the supplier
What are the advantages of vertical integration
- increased potential for profit as firm takes potential profit from a larger part of chain of production
- less risks - suppliers do not need to worry about buyers not buying goods and buyers do not need to worry about suppliers not supplying goods
- backward integration allows increased control of quality of supplies and allows costs to be kept low
- forward integration secures retail outlets and can restrict access to outlets for competitors
What are the disadvantages of vertical integration
- firms may have no expertise in the industry they take over
What is horizontal integration
- when firms in the same industry at the same stage of production integrate
What are the advantages of horizontal integration
- reduces competition as competitor is taken out and leads to increased market share
- firms able to specialise and rationalise, reducing areas of businesses which are duplicated
- able to grow in a market where it already had expertise (more successful)
What are the disadvantages of horizontal integration
- increases risk for business - if market fails then they have nothing to fall back on
What are examples of horizontal integration
- AstraZeneca acquiring ZS Pharma for $2.7bn in 2015 allowing them access to new compounds
- Curry’s and PC Worlds
What are examples of vertical integration
- Tesco taking over Booker for £3.7bn in 2018, led to increase in sales for Tesco
What are examples of organic growth
- LEGO, introduced new products such as LEGO Friends and board games to expand customer base
What is an example of the principle agent problem
- Enron Scanal of 2001, executives used loopholes to hide billions of dollars in debt from Board of Directors. Shareholders filed a lawsuit to the firm and the executives when share prices fell from nearly $100 to less than $1 in just over a year
What is conglomerate integration
- when firms in different industries with no obvious connections integrate
What are advantages of conglomerate integration
- useful for firms where there is no room for growth in present market
- reduces risk for firms as if whole industry fails, they will still survive due to other parts of business
- easier for each individual part of business to expand than if they were on their own finance
- can transfer resources (managers) from company to company
What are disadvantages of conglomerate integration
- firms going into markets in which they have no expertise
What is an example of conglomerate integration
- General Electric was founded as a lighting business and is now involved in aircraft, water, oil and gas, financial services, healthcare, energy, aviation, rail, and software. Successful model as they conducted extensive market research into each market
What are demergers
- business strategy in which a single business is broken into two or more components
- components either operate on their own, are sold, or are dissolved
What is an example of a demerger
- Pepsi announcing demerger of its Pizza Hut, KFC and Taco Bell restaurants to focus on competition with Coca Cola
What are reasons for demegers
- lack of synergies
- value of company/share price
- focussed companies
- competition authorities
How do lack of synergies lead to demergers
- different parts of company have no impact on each other and fail to make each other more efficient
- managers are having to split time between areas which are so different
- can lead to diseconomies of scale, firm splits to prevent these
How does the value of the company/share price lead to demergers
- value of separate parts of company is worth more than the company combined
- some parts of business might be doing well and have potential to grow but is restricted due to lack of success/potential for growth of other parts
How can focussed companies lead to demergers
- some people believe if company and management are more focussed on an individual market, they become more efficient and successful = more profit
- managers can improve skills and knowledge by focusing on only one area
How do competition authorities lead to demergers
- large businesses gain attraction from competition authorities
- demerging leads to attention avoidance from competition authorities
What are the impacts of demergers on the workers
- workers can gain or lose
- separate firms may need managers so chances of promotion
- goal of making firm more efficient may lead to job losses
What are the impacts of demergers on the businesses
- concentrating on smaller core businesses allow it to be more efficient
- concentration may lead to more innovation and surging higher competition
- size of small firms could lead to loss of economies of scale and reduced efficiency
What are the different objectives a business may choose to follow
- profit maximisation
- revenue maximisation
- sales maximisation
- satisficing
- managerial utility maximisation
- marginal cost pricing/allocate efficiency
- ethical and environmental concerns, corporate social responsibility (CSR)
What is the business objective of profit maximisation
- assumes interests of owners/shareholders are most important
- firms aim to profit maximise in short run to maximise owners’ returns
- assume all firms profit maximise for all market structures
Why do firms choose profit maximisation as a business objective to follow
- reinvest back into the firm
- provide dividends back to shareholders
- lower costs, pass on lowered costs to consumers by lowering prices which increases demand and possibly market share
- reward entrepreneurship
Where does profit maximisation take place
- MC = MR
Why does profit maximisation occur at MC = MR
- anything to the right of MC = MR leads to a higher cost than revenue so those units make a loss and reduce profit
- anything to the left of MC = MR allows space for revenue to still be greater than cost with any increase in units until MC = MR
Why may firms not choose profit maximisation as a business objective to follow
- cannot compute / lack knowledge of MC = MR
- avoid scrutiny from competition authorities and regulators
- key stakeholders may be harmed (consumers, workers, government, environmental groups)
- other objectives may be more appropriate
What is the business objective of satisficing
- occurs due to the principle agent problem
- make enough profit to keep shareholders happy whilst following other object and not profit maximising
When does revenue maximisation occur
- MR = 0
Why does revenue maximisation occur at MR = 0
- any additional units leads to a fall in revenue leading to a loss
- any less units allows for space of marginal revenue to still increase
What is the business objective of revenue maximisation
- managers are interested in revenue as that is what their salary is dependent on
- even when not directly related to salary, revenue growth is positive for business and can lead to managerial rewards from shareholders
- fall in revenue can lead to downward spiral for company
- firms aim to revenue maximise as long as they provide some profit for owners
When does sales maximisation occur
- AC = AR
What are examples of companies that pursue profit maximisation as a business objective
- Apple and pharmaceutical companies
- need money to reinvest
What are examples of companies that pursue revenue maximisation as a business objective
- amazon, generating revenue nearing £120bn in 2015 but profit staying relatively stable
- aim is to dominate the market
What are examples of companies that pursue sales maximisation as a business objective
- Netflix and Spotify
- both trying to increase size of their businesses
Why does sales maximisation occur at AC=AR
- an increase in units lead to a loss being made
- any point before this allows for an increase in units while costs still stay below revenue
What is the business objective of sales maximisation
- managers aim to maximise growth of company as salary is linked to company size
- easier for people to judge level of growth rather than profit => prestige
- size is linked with security
- growth increases market share and can push other firms out of business => increased market power
- short term strategy
Why do firms not choose to pursue revenue maximisation or sales maximisation as business objectives
- they necessitate a fall in price
- other firms may copy this so there may be no or little increase in revenue or sales (important in oligopoly)
- bring lower profits
What is the business objective of managerial utility maximisation
- managers will make decisions to maximise their own satisfaction
- dependent on salary, number of staff controlled, power over decision making, and other benefits received
- result of this may be to cut into profits and make these lower than they would otherwise be
What is the business objective of marginal cost pricing/allocate efficiency
- MC = AR
- some firms aims to maximise social welfare
- this is done by producing where the value society places on the good is equal to extra cost of producing that good
- achieves allocative efficiency
What is the business objective of corporate social responsibility
- pursuit of self interest does not need to conflict with ethic and environmentally responsible behaviour
- negative image can cut into revenue and profit
- socially irresponsible behaviour may lead to government regulation
Where does each business objective involving maximisation produce at and price at
- profit maximising firms produce at OA and price at OE
- revenue maximising firms produce at OB and price at OF
- sales maximising firms produce at OC and price at OG
Why do firms choose revenue maximisation as a business objective to follow
- economies of scale benefits, could lead to lower costs
- predatory pricing, firm undercuts rivals, by lowering profits, to drive out competitors from market
- principle agent problem, managers may ask for more benefits due to growth occurring
Why do firms choose sales maximisation as a business objective to follow
- economies of scale
- limit pricing, takes away incentive for new firms to join market
- principle agent problem, managers may ask for more benefits due to growth occurring
- flooding market to make consumers aware of product to gain loyal customers then changing objective to make profit
What is revenue
- money earned from sale of goods and services
What are the types of revenue
- total revenue (TR)
- average revenue (AR)
- marginal revenue (MR)
What is total revenue (TR)
- total amount of money coming into the business through sale of goods and services
How do you calculate total revenue (TR)
- quantity x price
What is average revenue (AR)
- revenue per unit sold
- = P
How do you calculate average revenue (AR)
- total revenue / output
What is marginal revenue (MR)
- extra revenue firm earns from selling one more unit of production
How do you calculate marginal revenue (MR)
- change in total revenue / change in output
What type of firms experience a perfectly elastic demand curve
- those in perfect competition
- no price setting power
- price taker
- price received by firms for good is constant so MR=AR=D
Why is the total revenue curve upward sloping for firms in perfect competition
- prices are constant
- more goods sold, higher revenue is made
What type of firms experience a downward sloping demand curve
- those in imperfect competition
- have price setting power
- price maker/giver
- AR = D, indicates price consumers are willing to pay
What is the elasticity of the downward sloping demand curve in revenue linked to
- marginal revenue
How does marginal revenue being positive affect the downward sloping demand curve
- when firm sells product at a lower price or increases output, total revenue still grows and so demand is elastic
- until output Q, demand curve is elastic
How does marginal revenue being negative affect the downward sloping demand curve
- total revenue decreases as price decrease / output increases
- demand curve is inelastic
- after output Q, demand curve is inelastic
How does marginal revenue = 0 affect the downward sloping demand curve
- total revenue is maximised
- demand curve is unitary elastic at point Q
What are the different types of costs
- total cost (TC)
- total fixed cost (TFC)
- total variable cost (TVC)
- average total cost (ATC)
- average fixed cost (AFC)
- average variable cost (AVC)
- marginal cost (MC)
What is total cost (TC)
- cost of producing a given level of output
What is total fixed cost (TFC)
- costs that do not change with output and remain constant
- e.g. rent, machinery
What is total variable cost (TVC)
- costs that change directly with output
- e.g. materials
What is marginal cost (MC)
- extra cost of producing one extra unit of a good
How do you calculate total cost (TC)
- fixed costs + variable costs
How do you calculate average total cost (ATC)
- total costs / output
How do you calculate average fixed costs (AFC)
- total fixed cost / output
How do you calculate average variable cost (AVC)
- total variable cost / output
How do you calculate marginal cost (MC)
- change in total cost / change in output
- total cost of producing N goods - total costs of producing (N-1)
What is the short run
- time period in which at least one factor of production is fixed
What is the long run
- time period in which all factors of production are variable
What is the law of diminishing returns / diminishing marginal productivity
- when one variable factor of production is increased while other factors stay fixed, eventually the marginal returns from the variable factor will begin to decrease
- marginal output decreases as more inputs are added in the short run
How does the costs curve look like
(MC, ATC, AVC, AFC)
Why is the average fixed cost curve (AFC) shaped like that
- starts high because whole fixed costs are being divided by a small output
- as output is increased, AFC falls as the same amount is being divided by a larger amount
Why is the average total cost curve (ATC) shaped like that
- U shaped due to law of diminishing marginal productivity
- costs initially fall as machinery is used more efficiently
- as production expands, efficiency falls as machinery is overused
Why is the average variable cost curve (AVC) shaped like that
- U shaped but gets closer to ATC as output increases since AFC gets smaller
Why is the marginal cost curve (MC) shaped like that
- U shaped due to law of diminishing marginal productivity
- initially fall as machines are used more efficiently
- rises as production continues to rise
How does the total cost curve look
How can average total costs (ATC) be calculated from a total cost curve (TC)
- at point A, average costs are C/D
- at point B, average costs are E/F
- average costs at B are lower than at A, since the gradient of A is steeper than B
Why are both the short run average cost curve (SRAC) and long run average cost curve (LRAC) U shaped
- SRACs are U shaped because of the law of diminishing returns
- LRACs are U shaped because of economies and diseconomies of scale
How does the average cost curve, including SRAC and LRAC look
Why is the average cost curve shaped like that
- LRAC is either equal to or below SRACs
- firm may initially be set to produce a certain amount but increase this causing a rise in SRAC = law of diminishing returns as some factors are defined
- in LR, factors become variable so SRAC can be shifted
- new SRAC is lower due to economies of scale until diseconomies of scale
What does the LRAC curve show
- boundary represents minimum level of average costs attainable at any given level of output
- points below LRAC are unattainable
- producing above LRAC is inefficient
What does movement along the LRAC show
- change in output which changes the average cost of production due to internal economies/diseconomies of scale
What does a shift in the LRAC show
- occurs due to external economies/diseconomies, taxes, or technology, which affects the cost of production for a given level of output
What do the different sections under the LRAC curve represent
- until Q1, firm is experiencing economies of sale and thus sees falling LRAC
- from Q1 to Q2, the firm has constant returns to scale / maximum efficient scale where their LRAC are constant
- any output above Q2 shows the firm experiencing diseconomies of scale and their LRAC rising
What are economies of scale
- advantages of large scale production
- enables a large business to produce at a lower average cost than a smaller business
- the firm is able to experience increasing returns to scale, where an increase in inputs by a certain percentage will lead to a greater percentage increase in output
What are diseconomies of scale
- disadvantages that arise in a large business
- reduce efficiency and cause costs to rise
- firm experiences decreasing returns to scale, where output increases by a small percentage than inputs
What are constant returns to scale
- where firms increase inputs and receive an increase in output by the same percentage
What is the minimum efficient scale
- minimum level of output needed for a business to fully exploit economies of scale
- it is where the LRAC curve first levels off and when constant returns to scale is first met
What are internal economies of scale
- advantage that a firm is able to enjoy because of a growth in the firm, independent of anything happening to other firms or the industry in general
What are the types of internal economies
- technical economies
- financial economies
- risk bearing economies
- managerial economies
- marketing and purchasing economies
What are technical economies
- arise as a result of what happens to the production process
What can change in the production process of a technical economy leading to growth
- specilisation
- balanced teams of machines
- increased dimensions
- indivisibility of capital
- research and development
How can specialisation lead to growth in technical economies
- large firms able to appoint specialist workers and buy specialist machines
- allows for job to be done quicker and better than machines/workers which are not specialised
How can balanced teams of machines lead to growth in technical economies
- large firms can afford to buy a number of every kind of machine for each stage of production
- by combining these machines, they can ensure they run each machine at its optimal level
- smaller companies may only be able to afford one machine for each stage, if one stage of production runs faster than other then machines will spend a long time turned off
How can increased dimensions lead to growth in technical economies
- relates to the fact if the size of walls was double, area increase by 4 times
- 4x increase in capacity occurring without the cost increasing by 4x
How can indivisibility of capital lead to growth in technical economies
- some processes require huge items of machinery and investment that make it only possible for them to produce on a large scale
How can research and development lead to growth in technical economies
- often large firms can afford to carry out large scale R&D
- means they are able to gain large advantage over competitor
What are financial economies and how can they lead to internal growth
- greater security as they have more assets and therefore harder to be forced out of business overnight
- easier for them to obtain finance and interest rates will be lower due to lower risk
- makes investment more accessible
What are risk bearing economies and how can they lead to internal growth
- large companies able to operate in a range of different markets, producing different products
- means if one area of business falls, whole business will not collapse
- higher room for growth
What are managerial economies and how can they lead to internal growth
- large companies can afford to appoint specialist managers in every field, who have greater knowledge so can do job better
- staff represent an indivisibility and so small firms cannot employ specialist staff
What are marketing and purchasing economies and how can they lead to internal growth
- can buy in bulk
- can specialise
- can distribute
How can buying in bulk lead to internal growth in marketing and purchasing economies
- large firms able to buy in large numbers
- may be able to buy raw materials at a cheaper price than competitors
- lower costs
How can specialisation lead to internal growth in marketing and purchasing economies
- businesses can afford to take on specialist buyers and sellers who could be more efficient due to the extra time and knowledge
How can distribution lead to internal growth in marketing and purchasing economies
- large firms can enjoy preferential rates from transport companies as they offer company a lot of business
- will transport in large batches, which is cheaper
- can also establish regional distribution centres, allowing them to reduce costs
What are external economies of scale
- advantage which arises from the growth of the industry within which the firm operates, independent to the firm itself
- cause LRAC curve to shift downwards
What are examples of external economies
- labour
- support services
How can labour lead to growth in external economies
- businesses established in an area with other successful firms from same industry find labour comes to that area, reduces cost and time taken to recruit
- local education and training providers likely to develop courses to prepare people to take up jobs in these businesses
- firms able to hire staff trained by other businesses = cheaper and more efficient
How can support services lead to growth in external economies
- businesses who provide products/services for large businesses naturally move to area where those businesses are based
- reduces transport cost / time delays for business
What can lead to diseconomies of scale
- workers
- geography
- change
- prices of materials
- management
How can workers lead to diseconomies of scale
- people can think their efforts go unnoticed so love motivation and work less hard
- decreased productivity
How can geography lead to diseconomies of scale
- firm may have to transport finished products huge distances and firms may find it harder to control parts of business far away
How can change lead to diseconomies of scale
- takes much longer and is much more difficult for a large firm to respond to change
How can prices of materials lead to diseconomies of scale
- as business grows, demand for raw materials and equipment do to
- although this increases bargaining power, increase in demand causes prices to risk => costs
How can management lead to diseconomies of scale
- coordination and control
- as business grows, it becomes difficult to coordinate different parts
- can lead to poorer quality to work and business decisions that don’t work well together
- communication
- can be slowed and lose accuracy because of distance and number of people it has to be passed through
What is profit
- difference between revenue and costs
What are the conditions to maximise profit
- TR and TC are further apart, with TR above TC
- MC = MR
What is normal profit
- return that is sufficient to keep the factors of production committed to the business
- if firm covers its costs, it earns normal profit
- AC = AR OR TC = TR
What is supernormal profit
- when profit is greater than normal profit
- abnormal profit
- AR > AC OR TR>TC
What is a loss
- when a firm fails to cover its costs
- AR < AC OR TR < TC
What are the conditions for normal profit, supernormal profit, and loss
- normal profit is at AC = AR or TC = TR
- supernormal profit is at AR > AC or TR > TC
- loss is at AR < AC or TR < TC
When should a firm shut down in the short run
- when making a loss, shutting down is not always necessary, dependent on the average variable cost
- if AVC < AR, firms should continue production
- each good made generates more revenue than it costs to produce, so can make a contribution to their fixed costs
When should a firm shut down in the long run
- if AVC > AR, producing more increases loss, so firm should shut down
- firm needs to make at least normal profit to stay open in long run
Why do firms produce on the short tun
- does not affect losses
- do not want to let go of workers or let down customers
When does a firm make a loss, include a diagram
- AC is greater than AR so firm is seen to be making a loss
What is efficiency
- used to judge how well the market allocates resources
- shows relationship between scarce inputs and outputs
What are the different types of efficiency
- allocative efficiency
- productive efficiency
- dynamic efficiency
- X-inefficiency
When is allocative efficiency achieved
- resources are used to produce goods and services which consumers want and value more highly
- social welfare is maximised
- occur when value to society from consumption is equal to marginal cost of production
- P = MC
When is productive efficiency achieved
- when products are produced at lowest average cost so fewest resources used to produce each product
- minimum resources used to produce maximum output
- only exist if firms produce at bottom of AC curve, MC=AC in the short run
- possible if there is technical efficiency, given output is produced with minimum inputs
When is dynamic efficiency achieved
- resources are allocated efficiently over time
- concerned with investment, bringing new products and production techniques
- achieved in markets where competition encourages innovation but there are copyright/patent laws
- supernormal profit required
What is X-Inefficiency
- firm failing to minimise its average costs at a given level out output
- occurs when there is a lack of competition so firms have little incentive to cut costs
What is perfect competition
- market where there is a high degree of competition
What are the characteristics of perfect competition
MAIN
- many buyers and sellers
- freedom of entry and exit from industry
- perfect knowledge
- homogenous product
- firms aim to profit maximise
- firms are price takers
EXTRA
- no buyer or seller can influence market price/output
- no externalities
- price is set by forces of demand and supply
- each firm faces a perfectly elastic demand
- P=MR=AR
- allocativelly and productively efficient
- dynamically inefficient
- cannot earn supernormal profit in the long run
How does have many buyers and sellers in a market lead to perfect competition
- no one firm or customer is able to influence market
- decision of one firm to double output has no effect on rest of market
How does freedom of entry and exit from the industry lead to perfect competition
- when a business is making profits, anyone can enter and start producing that product themselves
- businesses are unable to make huge profits in the long run and tend to make normal profits instead
- if making a loss, can leave easily
How does perfect knowledge lead to perfect competition
- enables firms to know when other firms are making profits, attracting them to the market
- all firms have same costs as they can use same production techniques
- any attempt to raise prices above market determined level will lead to no sales, customers aware and will look at other firms
How does homogeneity lead to perfect competition
- products are identical, cannot tell difference between one make and another
What are firms in perfect competition
- price takers
What is the competition spectrum
Explain short run profit maximising for perfect competition
- firms assumed to short run profit maximise, so firm produces at MC = MR
- firms in perfect competition can only make normal profit in long run
Draw the short run perfect competition diagram, and explain it
- prices set by market at P1 where S1=D1 => firms faces demand curve of AR1=MR1 and product at MC=MR1 at Q1
- perfect information and easy entry with supernormal profit encouraging new firms to enter
- this increases supply from S1 to S2, leading to fall in price from P1 to P2
- firm now has AR2=MR2, producing at MC=MR2 at Q2
- also AR2=AC, so normal profit being made
- if loss being made, firms leave industry decreasing supply pushing prices up returning to normal/supernormal profit
What types of efficiency are and are not present in perfect competition
- productively efficient as they produce at MC=AC
- allocative efficient as they produce where P=MC
- therefore are static efficient
- not dynamic efficient and no firm has enough for R&D
- perfect knowledge also prevents competitive benefits
- competition should keep costs low, therefore prices as well
- however, firms unable to benefit from economies of scale meaning costs are higher than they could beesa
What is monopolistic competition
- form of imperfect competition
- downward sloping demand curve
- e.g. hairdressers, estate agents, and restaurants
What are the characteristics of monopolistic competition
- many buyers and sellers
- no/low barriers to entry and exit
- low concentration ratio
- non-homogenous goods
- firms aim to profit maximise
- market power to an extent
- imperfect information
- downward sloping demand curve
- price maker
What type of profit do firms in monopolistic competition make in the short run and the long run
- can make supernormal profits, normal profits, or losses in the short run
- due to lack of barriers to entry/exit, firms can only make normal profit in the long run
Draw and explain the profit maximising equilibrium diagram for firms in monopolistic competition
- firms assumed to be short run profit maximisers, producing at MC=MR1, producing at Q1 at P1, making supernormal profit
- new firms enter market in long run due to supernormal profits, causing demand to decrease => AR and MR shift inwards
- firms then produce at MC=MR2 at P2Q2
- firm is now at AC=AR2, making normal profits
- if industry making loss, firms leaves industry, increasing demand for other firms => normal profit in long run