Your journey to excellence inEconomics
By Revision Genie
Economics as a social science
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Positive vs normative statements
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Value judgements in economic decision-making
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Purpose of economic activity: meeting needs and wants
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Three basic economic questions: what, how, for whom
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Factors of production: land, labour, capital, enterprise
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Scarcity, choice and opportunity cost
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Production possibility frontiers: trade-offs and opportunity cost
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Productive efficiency vs allocative efficiency on a PPF
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PPF shifts: growth and changes in resources/technology
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Unemployment of resources on a PPF
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Rational decision-making and economic incentives
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Total utility and marginal utility
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Diminishing marginal utility
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Utility maximisation (marginal analysis)
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Importance of thinking at the margin
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Why information matters for consumer decisions
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Asymmetric information: what it is and why it matters
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How imperfect information can cause market failure
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Bounded rationality and bounded self-control
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Behavioural biases: rules of thumb and anchoring
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Behavioural biases: availability and social norms
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Altruism and perceptions of fairness
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Choice architecture and framing
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Nudges: how they work and why they’re used
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Default, restricted and mandated choices
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Demand curves: price and quantity demanded
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Shifts in demand: causes and examples
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Price elasticity of demand: calculation and interpretation
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Income elasticity of demand: normal vs inferior goods
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Cross elasticity of demand: substitutes vs complements
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Elasticity and total revenue (total expenditure)
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Factors affecting elasticities of demand
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Supply curves: price and quantity supplied
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Shifts in supply: causes and examples
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Price elasticity of supply: calculation and interpretation
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Factors affecting price elasticity of supply
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Market equilibrium: where demand meets supply
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Disequilibrium: excess demand and excess supply
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How price changes restore equilibrium
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Interrelated markets: joint and derived demand
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Interrelated markets: joint supply and composite demand
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Tracing knock-on effects across related markets
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Turning inputs into outputs: what production means
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Productivity and labour productivity
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Specialisation and division of labour: why they raise output
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Exchange and money as a medium of exchange
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Short run vs long run in production decisions
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Marginal, average and total returns
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The law of diminishing returns
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Returns to scale: increasing, constant, decreasing
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Fixed costs vs variable costs
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Total, average and marginal costs
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Why cost curves have their shapes
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How factor prices and productivity shift costs
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Internal economies of scale: types and examples
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External economies of scale: types and examples
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Diseconomies of scale: why they happen
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Minimum efficient scale and industry implications
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Total, average and marginal revenue
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Average revenue as the firm’s demand curve
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Profit: normal vs abnormal (supernormal)
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The role of profit in a market economy
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Invention vs innovation
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How technological change affects costs and markets
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Creative destruction linked to technological change
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Market structure spectrum: perfect competition to monopoly
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Market classification: firms, differentiation, entry/exit
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Firm objectives: profit maximisation and alternatives
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Profit-maximising rule: MC = MR
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Divorce of ownership from control: why it happens
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Satisficing: what it is and why firms might do it
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Perfect competition: key assumptions
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Perfect competition short run vs long run outcomes
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Price takers and the industry supply story
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Perfect competition as a yardstick for efficiency
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Monopolistic competition: characteristics
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Monopolistic competition short run vs long run diagrams
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Non-price competition in monopolistic competition
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Oligopoly: characteristics and why markets differ
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Oligopoly conduct vs structure definitions
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Concentration ratios: calculation and interpretation
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Collusive vs non-collusive oligopoly
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Cooperation vs collusion
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Kinked demand curve as interdependence illustration
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Barriers to entry and strategic behaviour in oligopoly
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Monopoly: diagrammatic model and outcomes
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Monopoly power: sources (barriers, branding, differentiation)
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Pros and cons of monopoly
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Price discrimination: conditions needed
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Price discrimination: welfare effects on consumers/producers
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Competition benefits in short run vs long run
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Creative destruction as a competition process
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Contestable markets: sunk costs and hit-and-run entry
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Static efficiency vs dynamic efficiency
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Productive vs allocative efficiency conditions
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Consumer and producer surplus (diagram skills)
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Deadweight and welfare loss (e.g., monopoly)
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Derived demand: labour demand depends on product demand
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Marginal productivity theory of labour demand
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Shifts in labour demand: causes and examples
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Elasticity of demand for labour: determinants
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Monetary and non-monetary factors affecting labour supply
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Shifts in labour supply: causes and examples
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Wage determination in competitive labour markets (diagrams)
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Relative wages: role of market forces
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Why real-world labour markets are imperfect
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Monopsony: effects on wages and employment
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Trade unions: sources of bargaining power
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Trade unions in competitive vs monopsony markets (diagrams)
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National Minimum Wage: labour market effects
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NMW pros and cons (workers, firms, economy)
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Wage discrimination: conditions needed
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Discrimination by gender, ethnicity and other factors
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Evaluating discrimination: efficiency and equity
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Income vs wealth: clear distinction
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Why distributions differ: skills, inheritance and markets
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Equality vs equity: fairness as a value judgement
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Lorenz curves: interpretation
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Gini coefficient: interpretation (no calculation)
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Benefits and costs of greater equality
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Benefits and costs of greater inequality
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Absolute vs relative poverty
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Causes of poverty: individual, structural, regional
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Consequences of poverty: economic and social
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Policies to reduce poverty: transfers and welfare support
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Policies to reduce poverty: minimum wage and in-work benefits
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Policies to influence distribution: tax and public spending
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Evaluating redistribution: efficiency–equity trade-offs
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Prices as signals, incentives and rationing devices
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Strengths and weaknesses of the price mechanism
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Extending markets into new areas: pros and cons
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Market failure: misallocation of resources
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Complete vs partial market failure
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Public goods: non-rivalry and non-excludability
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Quasi-public goods and technology impacts
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Free-rider problem and missing markets
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Tragedy of the commons and environmental failure
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Externalities: private vs social costs/benefits
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Negative externalities: over-production (diagram analysis)
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Positive externalities: under-production (diagram analysis)
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Property rights and externalities
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Merit goods: why they’re under-consumed
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Demerit goods: why they’re over-consumed
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Imperfect information as a source of market failure
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Monopoly power and resource misallocation
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Factor immobility and persistent market failure
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Competition policy: aims and broad tools
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Costs and benefits of competition policy
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Public ownership: arguments for and against
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Privatisation: arguments for and against
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Regulation vs deregulation and regulatory capture
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Intervention tools: taxes, subsidies, price controls
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Intervention tools: state provision and regulation
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Intervention tools: property rights and permits
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Government failure: how intervention can worsen outcomes
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Unintended consequences and administrative costs
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Macroeconomic objectives: growth, inflation, unemployment, current account
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Why policy objectives can conflict (short run)
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How objectives change over time: priorities and trade-offs
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Core indicators: real GDP and real GDP per capita
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Inflation indicators: CPI and RPI uses
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Unemployment measures: what they show and miss
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Productivity measures and why they matter
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Current account data: deficits and surpluses
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Index numbers: base year and weights
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Reading and interpreting index data in context
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Using GDP to assess living standards
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Limits of GDP comparisons across time/countries
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PPP exchange rates and why they’re used
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What national income measures and why it matters
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Nominal vs real variables and adjustment
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Circular flow model: households, firms, government, overseas
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Income = output = expenditure identity
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Equilibrium income vs full employment income
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Injections vs withdrawals: what counts as each
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How injections/withdrawals change national income
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Aggregate demand: what it is and why it slopes down
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Shifts in AD: key causes and examples
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SRAS shifts: costs and productivity
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LRAS: fundamentals and why it differs
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Underlying growth as a rightward shift of LRAS
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Macroeconomic equilibrium on AD/AS diagrams
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Determinants of C, I and G
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Determinants of X and M (including exchange rates)
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Saving vs investment: key distinction
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Accelerator process: conceptual
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Multiplier: why spending changes amplify
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MPC and the multiplier
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Calculating the multiplier from MPC
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Keynesian AS curve: implications and use
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Institutional factors affecting AS: banking and finance
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Short-run vs long-run economic growth
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Demand-side vs supply-side drivers of growth
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Costs and benefits of growth: people, economy, environment
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Sustainable growth: meaning and importance
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Economic cycle: phases and identification
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Positive vs negative output gaps and implications
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Shocks and instability: demand vs supply shocks
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Credit growth, debt and financial fragility
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Asset price bubbles and destabilising speculation
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Animal spirits and herding: confidence effects
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Unemployment: different causes behind one rate
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Cyclical unemployment and output gap link
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Supply-side unemployment and LRAS implications
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Inflation, deflation and disinflation: distinctions
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Demand-pull vs cost-push inflation
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Fisher equation MV = PQ and Quantity Theory
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Expectations and inflation dynamics
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Consequences of inflation: micro and macro
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Consequences of deflation: micro and macro
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Phillips curve: short run
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Long-run Phillips curve: vertical/L-shaped idea
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Policy conflicts: inflation, unemployment, growth trade-offs
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Reconciling objectives: AD/AS policy evaluation
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Money: functions and characteristics
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Narrow vs broad money: definitions and uses
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Money, capital and foreign exchange markets
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Why financial markets matter for the real economy
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Debt vs equity finance for firms
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Bonds: coupon, maturity and yields
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Bond prices and interest rates: inverse relationship
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Commercial vs investment banks: differences
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Commercial bank balance sheets: assets, liabilities, capital
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Bank objectives: liquidity, profitability, security
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Credit creation by banks: conceptual model
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Central bank functions: Bank of England focus
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Monetary policy aims and current objectives
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MPC: role and bank rate decisions
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MPC factors when setting bank rate
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Transmission mechanism: rates to spending/inflation
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Exchange rates and monetary policy effects on AD
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How the BoE influences money supply growth
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QE, Funding for Lending and forward guidance
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Why banks fail: maturity mismatch and liquidity
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Liquidity and capital ratios: interpretation
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Moral hazard in financial systems
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Systemic risk and real-economy spillovers
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UK regulation: BoE, PRA, FPC, FCA roles
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Fiscal policy: spending, taxation and budget balance
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Fiscal policy’s macro and micro roles
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Using fiscal policy to shift AD
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Using fiscal policy to affect AS
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Public expenditure: types and why it changes
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Why governments levy taxes: revenue and redistribution
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Direct vs indirect taxes
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Progressive, proportional and regressive taxes
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Principles of taxation: equity and efficiency
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UK taxes: examples and relative merits
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Budget balance vs national debt link
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Cyclical vs structural deficits and surpluses
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Effects of deficits and surpluses on performance
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Why national debt size matters (and when)
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Office for Budget Responsibility: role
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Evaluating austerity vs stimulus in context
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Supply-side policies vs supply-side improvements
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How incentives raise potential output
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Supply-side effects on unemployment and inflation
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Supply-side effects on current account performance
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Free-market supply-side: tax cuts, privatisation, deregulation
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Interventionist supply-side: education, industrial policy, R&D
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Micro side-effects of supply-side policy
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Limits, trade-offs and time lags of supply-side approaches
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Globalisation drivers: technology, trade, capital flows
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Globalisation characteristics in modern economies
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Effects of globalisation on developed economies
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Effects of globalisation on developing economies
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Multinational corporations: roles, benefits and risks
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Absolute vs comparative advantage
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Comparative advantage: simple numerical example
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Gains from trade: specialisation, scale, competition
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Costs of trade: adjustment, inequality, strategy
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Why trade patterns change over time (UK focus)
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Protectionism: tariffs, quotas and subsidies
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Tariffs: effects on price, output and welfare (diagrams)
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Why countries use protectionism and consequences
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Customs unions: key features
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Single European Market: key characteristics
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WTO: role in trade rules and disputes
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Balance of payments: current, capital, financial accounts
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Current account: goods, services, primary, secondary income
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Deficit vs surplus: interpretation
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Current account determinants: productivity, prices, exchange rate
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Investment flows: FDI vs portfolio investment
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Policies to correct imbalances: switching vs reducing
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External-balance policy trade-offs with other objectives
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Floating exchange rates: supply, demand, determinants
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Government intervention in FX markets: how and why
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Fixed vs floating exchange rates: pros and cons
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Currency unions (eurozone): benefits and costs
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Economic growth vs economic development
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Less-developed economies: characteristics
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Development indicators: HDI and beyond
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Growth and development factors: investment and human capital
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Barriers to development: institutions, infrastructure, rights
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Development policies: market vs interventionist strategies
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Aid and trade: roles, limits and evaluation
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Linking micro and macro: markets into AD/AS outcomes
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Choosing the right model and stating assumptions
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Using extracts/data to build a chain of reasoning
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Evaluation: short vs long run, stakeholders, efficiency vs equity
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Balanced conclusions with judgement and conditions
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Case study skills: evidence selection and precise theory use
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MCQ skills: isolate concepts and eliminate distractors
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Diagrams in context: accurate labels and narratives
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Synoptic contexts: environment, inequality, housing, labour
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Synoptic contexts: instability, global shocks, trade policy
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Ratios and fractions in economic data
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Percentages and percentage change: real vs nominal
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Mean, median and quantiles
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Choosing the right graph for data
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Interpreting line, bar, pie and scatter charts
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Index numbers: base years and weights
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Costs, revenues and profits calculations
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Elasticity calculations and interpretation
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Converting money to real terms
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Interpreting mixed written, numerical and graphical evidence
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