Economics flashcards - knowledge bank topic 6

What is government intervention?

Government intervention is the use of government policies and actions to influence the allocation of resources and operation of markets. Governments intervene where free-market outcomes are inefficient or inequitable, including market failure, inequality, environmental damage, monopoly power and excessive fluctuations in economic activity.

Why does the government intervene in a market economy?

The major reasons are: 1) reallocation of resources to correct market failure and improve allocative efficiency; 2) redistribution of income to reduce excessive inequality; 3) stabilisation of economic activity; 4) provision of public and merit goods; 5) regulation of monopoly power and competition; and 6) protection of the environment.

What is market failure?

Market failure occurs when the free market fails to allocate resources efficiently, resulting in a net loss of economic welfare. Major syllabus examples are public goods, merit goods, negative externalities, monopoly power, inequality and fluctuations in economic activity.

What is allocative efficiency?

Allocative efficiency occurs when resources are allocated towards their highest-valued use, maximising the net benefits to society. Government intervention can improve allocative efficiency by correcting market failures that cause resources to be over- or under-allocated.

What is the universal market-failure chain?

Market failure → inefficient or inequitable allocation of resources → loss of economic welfare → government intervention → changes in incentives or behaviour → changes in resource allocation → potentially improved economic wellbeing.

What are public goods?

Public goods are goods that are non-excludable, meaning people cannot easily be prevented from consuming them, and non-rivalrous, meaning one person's consumption does not significantly reduce availability to others. Examples include national defence, street lighting and flood protection.

Why does the free market underprovide public goods?

Because public goods are non-excludable, consumers can benefit without paying, creating the free-rider problem. Consumers receive the benefit without purchasing the good → insufficient private demand/revenue → firms have little incentive to supply → under-provision → government intervention is required.

What is the public-goods intervention mechanism?

Non-excludability → free-rider problem → insufficient private-sector provision → under-allocation of resources → government provides or funds the good → increased provision → greater social benefit → improved allocative efficiency.

What are merit goods?

Merit goods are goods and services considered socially desirable but likely to be under-consumed in a free market because consumers may underestimate their benefits. Examples include education, healthcare and vaccinations.

Why are merit goods under-consumed?

Consumers may lack information about their benefits, underestimate their long-term benefits or be unable to afford them. This means consumption may be below the socially desirable level, resulting in a loss of potential social and private benefits.

What is the merit-goods intervention mechanism?

Under-consumption → loss of potential private and social benefits → government subsidies or direct provision → lower effective price/increased accessibility → increased consumption → greater economic and social wellbeing.

What is a negative externality?

A negative externality occurs when production or consumption imposes costs on third parties who are not directly involved in the transaction. Examples include air pollution, water pollution, greenhouse gas emissions and noise pollution.

Why do negative externalities cause market failure?

Consumers and firms consider their private costs but not the external costs imposed on society. Therefore private cost is less than social cost → market price understates the true cost to society → quantity produced/consumed is too high → over-allocation of resources → market failure.

What is the relationship between private and social costs?

Social cost = private cost + external cost. When negative externalities exist, social cost is greater than private cost, meaning the market price understates the true cost to society.

What is the negative-externality mechanism?

Negative externality → external costs ignored → private cost < social cost → market price too low → quantity demanded/produced too high → over-allocation of resources → government intervention → external cost is partially internalised → quantity moves closer to the socially optimal level → improved allocative efficiency.

Why does the government intervene to protect the environment?

Environmental damage is often a negative externality. Firms and consumers may not account for pollution, climate change, ecosystem damage and associated health costs. Therefore the free market can produce excessive environmentally harmful activity.

How can government address negative environmental externalities?

Government can use taxes, regulation, subsidies for environmentally beneficial activities, emissions trading schemes and direct government expenditure.

How does a pollution tax correct market failure?

Pollution creates an external cost → government imposes a tax → firm's private cost increases → supply shifts left/up → market price rises → quantity demanded/produced falls → external cost is partially internalised → resources are reallocated away from pollution-intensive production.

What determines whether an environmental tax is effective?

Effectiveness depends on the size of the tax, price elasticity of demand and supply, the government's ability to measure external costs, enforcement and whether firms/consumers can change their behaviour.

Why can the free market create inequality?

Market incomes depend on skills, education, qualifications, labour demand, occupational scarcity, ownership of assets/capital and entrepreneurship. Those with scarce skills or substantial capital may receive significantly higher incomes, creating income inequality and relative poverty.

What is relative poverty?

Relative poverty occurs when an individual's income is substantially below the prevailing standard of living in their society, limiting their ability to participate fully in economic and social life.

Why might inequality justify government intervention?

The free market primarily allocates resources according to market forces rather than ensuring an equitable distribution of income. Excessive inequality may reduce access to education and healthcare, increase relative poverty, reduce social mobility and reduce quality of life for disadvantaged groups. Governments therefore redistribute income to improve equity and economic wellbeing.

What is a direct tax?

A direct tax is imposed directly on individuals or businesses, with the legal incidence generally falling on the person or entity paying it. Examples include personal income tax and company tax.

What is an indirect tax?

An indirect tax is imposed on the production or consumption of goods and services, with the tax generally incorporated into the price. GST is an example.

What is a progressive tax?

A progressive tax is one where the average tax rate increases as taxable income increases. Higher-income households therefore pay a higher proportion of their income in tax.

How does progressive taxation redistribute income?

Higher income → higher proportion of income paid in tax → government revenue increases → revenue can fund welfare and public services → disposable income of lower-income households increases relative to higher-income households → income inequality decreases.

What is a proportional tax?

A proportional tax takes the same proportion of income regardless of income level.

What is a regressive tax?

A regressive tax takes a larger proportion of income from lower-income earners than higher-income earners. Consumption taxes can be regressive because lower-income households generally spend a greater proportion of their income on consumption.

How can taxation affect resource allocation?

Taxes change the relative costs and incentives faced by consumers and producers. Taxes can discourage activities with negative externalities, while tax revenue can finance goods and services that address market failure or redistribute income.

What is the main trade-off associated with taxation?

Taxation can improve equity and fund government services, but higher taxes may reduce incentives to work, invest, consume or produce depending on the tax and circumstances. The effect depends on the type and rate of tax and the responsiveness of economic agents.

Why does government provide social welfare?

Government provides social welfare to reduce relative poverty, support disadvantaged groups, redistribute income, maintain minimum living standards and improve equity and quality of life.

How does welfare redistribute income?

Taxation raises government revenue → government transfers income/resources to eligible households → disposable income of recipients increases → income is redistributed from higher-income to lower-income groups → inequality and relative poverty can be reduced.

Why does an ageing population create pressure on government welfare?

An ageing population means a greater proportion of the population may require age-related support. This can increase government expenditure on pensions, healthcare and aged care → greater pressure on government finances → potential need for increased revenue, reduced expenditure elsewhere or policy reform.

What is the key ageing-population trade-off?

Government must balance supporting the living standards of an ageing population with maintaining fiscal sustainability. Greater welfare spending can improve equity and quality of life but increases pressure on government finances.

What is monopoly power?

Monopoly power occurs when a firm has significant control over a market, allowing it to influence price, output and market conditions.

Why can monopoly power cause market failure?

A monopoly may restrict output, charge higher prices, reduce consumer choice, earn abnormal profits and have weaker incentives to innovate or improve efficiency. Monopoly power → restricted competition → higher prices/lower output → consumer welfare falls → allocative/productive inefficiency → government intervention.

How can government address monopoly power?

Government can use competition policy, regulate anti-competitive behaviour, regulate natural monopolies, use privatisation or corporatisation where appropriate and maintain government ownership in some cases.

What is privatisation?

Privatisation is the transfer of ownership of a government enterprise from the public sector to the private sector.

What are potential benefits of privatisation?

Private ownership may increase efficiency, create stronger profit incentives, reduce direct government involvement, generate government revenue from asset sales and increase competition where markets are contestable.

What is the major limitation of privatisation?

If competition is weak, privatisation may simply transfer monopoly power from a public enterprise to a private firm. This could result in higher prices or reduced access if regulation is inadequate.

What is corporatisation?

Corporatisation involves restructuring a government-owned enterprise so that it operates according to commercial principles while remaining publicly owned.

What is the business cycle?

The business cycle refers to fluctuations in the level of economic activity around the long-term growth trend. The main phases are expansion, peak, contraction/recession and trough.

Why can fluctuations in economic activity justify government intervention?

During recessions, unemployment can rise, economic growth can fall and incomes and living standards may deteriorate. During excessive booms, inflationary pressure may increase and demand can exceed productive capacity. Government intervention aims to stabilise economic activity.

What is fiscal policy?

Fiscal policy is the use of government taxation and government expenditure to influence economic activity.

How does expansionary fiscal policy stimulate economic activity?

Government increases expenditure and/or reduces taxation → aggregate demand increases → production increases → employment increases → household incomes increase → consumption can increase further through the multiplier effect → economic activity increases.

When is expansionary fiscal policy particularly useful?

It is particularly useful during an economic downturn or recession when aggregate demand and economic activity are weak.

How does contractionary fiscal policy reduce economic activity?

Government decreases expenditure and/or increases taxation → aggregate demand decreases → pressure on productive capacity decreases → inflationary pressure falls → economic activity slows.

When is contractionary fiscal policy particularly useful?

It can be used when the economy is overheating and inflationary pressure is excessive.

What is the Federal Budget?

The Federal Budget is the government's annual plan for revenue and expenditure, outlining its expected fiscal position and policy priorities.

What is a budget deficit?

A budget deficit occurs when government expenditure is greater than government revenue. The government generally needs to borrow to finance the difference.

What is a budget surplus?

A budget surplus occurs when government revenue is greater than government expenditure.

What is a balanced budget?

A balanced budget occurs when government revenue equals government expenditure.

Why might government borrow?

When government expenditure exceeds revenue, borrowing allows the government to finance public expenditure such as infrastructure, public services and economic stimulus without immediately raising revenue by the same amount.

How can government borrowing affect private investment?

Increased government borrowing increases government demand for funds → upward pressure on interest rates → higher borrowing costs for private firms → potentially reduced private investment → crowding out.

What is crowding out?

Crowding out occurs when increased government borrowing and demand for financial funds places upward pressure on interest rates, reducing private-sector borrowing and investment.

What is monetary policy?

Monetary policy involves changes to interest rates and monetary conditions, primarily through the Reserve Bank of Australia, to influence economic activity and inflation.

How does lower interest rates stimulate economic activity?

Lower interest rates → lower cost of borrowing and reduced incentive to save → increased consumption and business investment → increased aggregate demand → increased output and employment → stronger economic activity.

How do higher interest rates reduce economic activity?

Higher interest rates → higher cost of borrowing and greater incentive to save → lower consumption and investment → lower aggregate demand → reduced inflationary pressure → slower economic activity.

What are the three major economic functions of government?

1) Reallocation of resources through taxation, expenditure and regulation; 2) redistribution of income through progressive taxation, welfare and public services; 3) stabilisation of economic activity through fiscal and monetary policy.

What is reallocation of resources?

Reallocation of resources occurs when government policies change where labour, capital and other resources are directed in the economy, particularly to correct market failure and improve allocative efficiency.

What is redistribution of income?

Redistribution of income involves government using taxation, transfer payments and public services to alter the distribution of disposable income and reduce excessive inequality.

What is stabilisation of economic activity?

Stabilisation involves using fiscal and monetary policy to reduce excessive fluctuations in economic activity, such as recessions and inflationary booms.

What are the major sources of Australian government revenue?

Major sources include personal income tax, company tax, GST, other taxes, non-tax revenue, government business enterprise income and other sources such as asset sales where applicable.

Why does government need revenue?

Government revenue allows governments to fund public goods, provide merit goods and services, fund welfare, finance infrastructure, redistribute income and implement economic policies.

What are major areas of government expenditure?

Major areas include social security and welfare, healthcare, education, defence, infrastructure, public administration and environmental programs.

What is the public sector?

The public sector consists of government-owned and government-controlled organisations and activities at federal, state and local levels.

Why might the size of the public sector increase?

It may increase because of increased demand for public services, an ageing population, infrastructure requirements, economic downturns, greater redistribution or environmental policy.

What is the trade-off associated with a larger public sector?

Greater public provision can improve equity, economic wellbeing and market outcomes, but requires taxation and/or borrowing and may increase government involvement in the economy.

What is a government business enterprise?

A government business enterprise is a government-owned organisation that operates commercially, generally providing goods and services while pursuing public policy objectives.

Why might government own businesses?

Government may own businesses to provide essential services, ensure accessibility, address market failure, maintain strategic industries or provide services where private provision may be inadequate.

How can government business enterprises address market failure?

A government business enterprise can ensure provision of goods or services that may be underprovided by private firms, particularly where equity, accessibility or strategic objectives are important.

Who can influence government economic policy in Australia?

Government policy can be influenced by political parties, businesses, unions, environmental groups and organisations, welfare agencies, the media, other interest groups and international influences.

How can businesses influence government policy?

Businesses can lobby governments, provide economic information and advocate for tax or regulatory changes. Their decisions about investment, employment and production can also affect economic outcomes and create political pressure.

How can unions influence government policy?

Unions advocate for workers regarding wages, working conditions, employment rights and workplace regulation. They may influence industrial relations, minimum wage and employment legislation.

How can environmental groups influence government policy?

Environmental groups advocate for emissions reduction, environmental protection, renewable energy and conservation. Their influence can encourage policies that internalise environmental externalities.

How can welfare agencies influence government policy?

Welfare agencies advocate for disadvantaged groups and can influence policy relating to welfare payments, poverty, housing, healthcare and social services.

How can the media influence government policy?

The media can shape public opinion, increase visibility of economic issues, scrutinise government decisions and increase political pressure for policy change.

What is the universal government-intervention argument structure?

Problem → cause → government response → mechanism → immediate economic effect → economic objective → limitation/trade-off → overall effectiveness.

How should I evaluate government intervention?

Assess effectiveness, magnitude of impact, time lags, elasticity/responsiveness, unintended consequences, equity, efficiency, government finances, prevailing economic conditions and trade-offs between objectives.

What should I do if an exam question asks about an unfamiliar government policy?

Do not panic or rely on memorised wording. Identify the economic problem, determine which market failure or government function is relevant, explain how the policy changes incentives/behaviour, analyse the effect on resource allocation or economic activity, then evaluate effectiveness and trade-offs.

What evidence can I use for Australian housing affordability?

Australian housing prices increased from approximately 4 times average income to around 8 times average income over the relevant period. This can demonstrate how population-driven increases in housing demand can place upward pressure on prices when housing supply is relatively inelastic.

What is the housing affordability mechanism?

Population growth → increased demand for housing → relatively inelastic housing supply because construction takes time → excess demand → upward pressure on housing prices → reduced housing affordability.

What evidence can I use for changing consumer tastes?

The Guardian reported a 133% increase in commercial matcha orders, demonstrating the impact of changing consumer preferences and influencer-driven consumption.

What evidence can I use for matcha prices?

SBS reported wholesale matcha prices rising from approximately $390/kg to $500/kg over a 12-month period.

What is the matcha demand mechanism?

Changing consumer tastes → demand shifts right → excess demand → upward pressure on price → quantity supplied expands → higher equilibrium price.

How should I use evidence in an Economics essay?

Use evidence as Evidence → Economic concept → Mechanism → Implication. Do not drop statistics into the essay without explaining what economic relationship they demonstrate.

What are high-value economic terms for government intervention?

Market failure, allocative efficiency, resource allocation, economic welfare, equity, efficiency, economic wellbeing, externality, social cost, private cost, incentives, opportunity cost, aggregate demand, economic activity, fiscal sustainability, redistribution, stabilisation, progressive taxation, relative poverty, monopoly power and crowding out.

What is the difference between efficiency and equity?

Efficiency concerns maximising the benefits obtained from scarce resources, particularly through allocative efficiency. Equity concerns fairness in the distribution of income, resources and opportunities. Government intervention can improve one without necessarily maximising the other, creating policy trade-offs.

What is the difference between market failure and government failure?

Market failure occurs when free-market outcomes fail to allocate resources efficiently or equitably. Government failure occurs when government intervention produces an inefficient or undesirable outcome, meaning intervention is not automatically better than the market.

What is a key evaluation point about government intervention?

Government intervention is not automatically successful. Governments face imperfect information, implementation difficulties, administrative costs, time lags and unintended consequences. Therefore the effectiveness of intervention depends on how accurately the policy addresses the underlying market failure.

What is the key idea behind internalising an externality?

Internalising an externality means making consumers or producers account for costs or benefits that they previously imposed on or created for third parties. For a negative externality, a tax or regulation can increase private costs towards the true social cost.

What is the key relationship between elasticity and government intervention?

Elasticity determines how strongly consumers and producers respond to changes in prices, taxes or other incentives. A relatively inelastic demand or supply means quantity changes less, so a policy may have a smaller quantity effect but potentially a larger price effect.

What is the key relationship between government policy and incentives?

Government policies alter the costs and benefits faced by individuals and firms. Changes in taxes, subsidies, regulations and interest rates can therefore change consumption, production, investment and resource allocation.