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    Economics A-Level

    Economics A-Level glossary

    75 key terms for Economics A-Level, A to Z, each linked to the topic pages that use it.

    A

    Asymmetric Information
    A situation where one party in a transaction has more or superior information compared to another, leading to adverse selection.Pearson Edexcel

    B

    Barriers to Entry and Exit
    Analysis of structural (economies of scale), legal (patents), and strategic (limit pricing) obstacles that determine market contestability and the…Pearson Edexcel

    C

    Comparative Advantage
    The ability of an agent to produce a particular good or service at a lower opportunity cost than its trading partners.Pearson Edexcel
    Consumer Price Index (CPI)
    A measure that examines the weighted average of prices of a basket of consumer goods and services, used to track inflation and the cost of living.Pearson Edexcel
    Consumer Surplus
    The difference between the maximum price a consumer is willing to pay and the market price they actually pay.Pearson Edexcel
    Cost-Push Dynamics
    The transmission mechanism of input prices, including unit labor costs, raw materials, and imported inflation, into the SRAS curve, resulting in shifts that…Pearson Edexcel
    Current Account
    A component of the Balance of Payments that records the net flow of money resulting from trade in goods and services, and net investment income.Pearson Edexcel

    D

    Deadweight Loss
    The loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved.Pearson Edexcel
    Demand
    The quantity of a good or service that consumers are willing and able to buy at a given price in a given time period.Pearson Edexcel
    Determinants of Consumption and Investment
    Analysis of household spending patterns influenced by real disposable income, consumer confidence, and wealth effects, contrasted with business capital…Pearson Edexcel
    Determinants of Long-Run Growth
    Analysis of supply-side drivers including capital deepening, human capital accumulation, and technological innovation as the primary engines of shifts in the…Pearson Edexcel
    Division of Labour
    The breaking down of the production process into separate, sequential tasks, with different workers performing each task.Pearson Edexcel

    E

    Economic Development
    A broad measure of welfare in a nation that includes indicators of health, education, and living standards.Pearson Edexcel
    Economies and Diseconomies of Scale
    Long-run analysis of how increasing the scale of production leads to lower long-run average costs (LRAC) through technical, managerial, and financial…Pearson Edexcel
    Efficiency and Welfare
    Evaluation of allocative, productive, and X-efficiency across different structures, focusing on the maximization of consumer and producer surplus and the…Pearson Edexcel
    Equilibrium Price
    The price at which quantity demanded equals quantity supplied, meaning there is no excess demand or supply.Pearson Edexcel
    External Sector Dynamics
    Evaluation of net trade (X-M) as a component of AD, focusing on the impact of exchange rate fluctuations, relative inflation rates, and the economic…Pearson Edexcel
    Externalities and Social Welfare
    Analysis of the divergence between marginal private costs/benefits and marginal social costs/benefits, leading to over-consumption of demerit goods and…Pearson Edexcel

    F

    Financial Intermediation
    The process by which financial institutions bridge the gap between surplus units (savers) and deficit units (borrowers), reducing transaction costs and…Pearson Edexcel
    Fiscal and Monetary Policy Transmission
    Examination of how government spending (G) and taxation (T) directly and indirectly shift AD, and how central bank interventions via interest rates and…Pearson Edexcel
    Fiscal Policy and Debt Sustainability
    Analysis of government spending and taxation as tools for demand management.Pearson Edexcel
    Free Market Economy
    An economic system where resources are allocated entirely by the price mechanism (supply and demand) without government intervention.Pearson Edexcel

    G

    GDP (Gross Domestic Product)
    The total market value of all final goods and services produced within a country's borders in a specific time period.Pearson Edexcel
    GNI (Gross National Income)
    GDP plus net property income from abroad, representing the total income earned by a nation's factors of production regardless of location.Pearson Edexcel
    Government Intervention and Market Failure
    Evaluation of the efficacy of the National Minimum Wage (NMW), maximum wage caps, and supply-side policies designed to reduce immobility and enhance human…Pearson Edexcel
    Gross Domestic Product (GDP)
    The total market value of all final goods and services produced within a country's borders in a specific time period, serving as the primary measure of…Pearson Edexcel
    Gross National Income (GNI)
    GDP plus net income from abroad, accounting for the income earned by a nation's residents regardless of where the production occurs.Pearson Edexcel

    H

    Human Development Index (HDI)
    A composite statistic of life expectancy, education, and per capita income indicators, used to rank countries into four tiers of human development.Pearson Edexcel

    I

    Indirect Tax
    A tax levied on goods and services, collected by producers and paid to the government.Pearson Edexcel
    Information Asymmetry
    Investigation of imbalances in information between buyers and sellers, specifically focusing on adverse selection and moral hazard in insurance and labor…Pearson Edexcel
    Institutional and Structural Frameworks
    The significance of property rights, political stability, financial market efficiency, and trade liberalization in creating an environment conducive to…Pearson Edexcel
    Interdependence and Strategic Behavior
    Examination of oligopolistic markets where firm decisions are contingent on the actions of rivals, often modeled through game theory and the kinked demand…Pearson Edexcel

    L

    Labour Market Flexibility and the Gig Economy
    Examination of the shift from traditional long-term employment to flexible, short-term contracts, assessing the implications for worker security, firm…Pearson Edexcel

    M

    Macroprudential Regulation
    The shift from micro-level supervision to systemic oversight, focusing on the resilience of the entire financial system against shocks and the prevention of…Pearson Edexcel
    Market Concentration and Regulation
    Evaluation of how business growth alters market structures, moving from competitive models toward oligopoly or monopoly, and the subsequent role of…Pearson Edexcel
    Market Failure in Finance
    The presence of externalities, asymmetric information (adverse selection and moral hazard), and the tendency toward monopoly power in 'too big to fail'…Pearson Edexcel
    Marshall-Lerner Condition
    The condition that a currency devaluation will only improve the trade balance if the sum of the price elasticities of demand for exports and imports is…Pearson Edexcel
    Measurement and Indicators of Disparity
    Utilization of the Gini coefficient (0 to 1 scale) and the Lorenz curve to visualize income distribution.Pearson Edexcel
    Microfinance
    The provision of small loans and financial services to low-income individuals who lack access to traditional banking.Pearson Edexcel
    Monetary Policy and Central Bank Independence
    The shift from direct government control of interest rates to independent inflation-targeting regimes.Pearson Edexcel

    N

    Normative Statement
    A subjective statement based on a value judgement or opinion, often containing words like 'should' or 'ought'.Pearson Edexcel

    O

    Opportunity Cost
    The value of the next best alternative foregone when a choice is made.Pearson Edexcel
    Organic vs. Inorganic Growth
    Examination of internal expansion through reinvested profits and product development versus external expansion via mergers, acquisitions, and takeovers.Pearson Edexcel

    P

    Pigouvian Tax
    A tax imposed on an activity that generates negative externalities, intended to correct an inefficient market outcome.Pearson Edexcel
    Policy Intervention and Redistribution
    Evaluation of the effectiveness of means-tested versus universal benefits, the implementation of the National Minimum Wage, and the use of direct and indirect…Pearson Edexcel
    Policy Trade-offs and Conflicts
    The inherent tension between competing macroeconomic goals, most notably the short-run Phillips Curve trade-off between inflation and unemployment, and the…Pearson Edexcel
    Positive Statement
    An objective, factual statement that can be tested against evidence to be proven true or false.Pearson Edexcel
    PPP (Purchasing Power Parity)
    An exchange rate adjustment that equalizes the purchasing power of different currencies by eliminating price level differences between countries.Pearson Edexcel
    Price Elasticity of Demand (PED)
    A measure of the responsiveness of quantity demanded to a change in price.Pearson Edexcel
    Primary Product Dependency
    When an economy relies heavily on the export of raw materials and agricultural goods.Pearson Edexcel
    Productive Capacity and Potential Output
    The determinants of the LRAS boundary, focusing on the quantity and quality of the factors of production (land, labor, capital, enterprise) and the role of…Pearson Edexcel
    Profit Maximisation vs Alternative Objectives
    Examination of the neoclassical assumption that firms seek to maximise profit (MC=MR) compared to behavioral theories such as revenue maximisation (MR=0),…Pearson Edexcel
    Profit Maximization vs. Alternative Objectives
    The tension between the neoclassical objective of MC=MR and alternative goals such as revenue maximization (MR=0) or sales maximization (AC=AR) to achieve…Pearson Edexcel
    Public Goods and Market Absence
    Examination of non-excludability and non-rivalry, which creates the free-rider problem and results in the complete failure of the market to provide essential…Pearson Edexcel
    Purchasing Power Parity (PPP)
    An exchange rate adjustment that equalizes the purchasing power of different currencies by eliminating price level differences between countries.Pearson Edexcel

    R

    Regulatory Capture
    A government failure where a regulatory agency, created to act in the public interest, instead advances the commercial concerns of special interest groups.Pearson Edexcel

    S

    Savings Gap
    The difference between the level of domestic savings and the level of investment needed to achieve a target rate of economic growth.Pearson Edexcel
    Scarcity
    The fundamental economic problem arising from unlimited human wants relative to finite resources.Pearson Edexcel
    Social Optimum
    The level of output where the marginal social benefit (MSB) equals the marginal social cost (MSC), maximizing social welfare.Pearson Edexcel
    Stakeholder Theory and CSR
    The shift from shareholder primacy to a broader focus on stakeholders, including employees, customers, and the environment, often as a strategy for long-term…Pearson Edexcel
    Structural Causes of Inequality
    Investigation into wage differentials resulting from varying elasticities of labor supply, the impact of capital-biased technological change, and the role of…Pearson Edexcel
    Supply
    The quantity of a good or service that producers are willing and able to sell at a given price in a given time period.Pearson Edexcel
    Supply-Side Interventionism
    State-led initiatives to increase the Long-Run Aggregate Supply (LRAS).Pearson Edexcel
    Supply-Side Policy Intervention
    The use of market-based and interventionist policies to shift the LRAS rightward, aiming to increase non-inflationary growth and improve international…Pearson Edexcel
    Sustainability and Externalities
    Evaluation of the trade-offs between rapid industrial expansion and environmental degradation, focusing on the Environmental Kuznets Curve and the transition…Pearson Edexcel

    T

    Terms of Trade
    An index representing the ratio of a country's export prices to its import prices; an increase signifies an improvement in purchasing power.Pearson Edexcel
    The Divorce of Ownership from Control
    The emergence of the Principal-Agent problem where managers (agents) pursue personal utility maximization, such as prestige or fringe benefits, over…Pearson Edexcel
    The Law of Diminishing Marginal Returns
    A short-run law stating that as more units of a variable factor are added to a fixed factor, the marginal product will eventually decline, causing marginal…Pearson Edexcel
    The Multiplier
    The ratio of the final change in national income to the initial change in an injection that caused it; calculated as 1/(1-MPC) or 1/MPW.Pearson Edexcel
    The Role of Expectations and Credibility
    The significance of forward guidance and the reputation of policy-making institutions in shaping consumer and firm behavior, particularly regarding…Pearson Edexcel
    Trade Creation
    The replacement of higher-cost domestic production with lower-cost imports from a member of a newly formed trading bloc.Pearson Edexcel
    Trade Liberalisation
    The removal or reduction of restrictions or barriers on the free exchange of goods between nations.Pearson Edexcel
    Transfer Payments
    Government payments to individuals (e.g., welfare, pensions) for which no good or service is exchanged; excluded from GDP to avoid double counting.Pearson Edexcel
    Transmission Mechanisms
    The complex channels through which policy changes, such as adjustments in the base interest rate or changes in taxation, filter through the economy to affect…Pearson Edexcel

    W

    Wage Determination in Competitive and Non-Competitive Markets
    Analysis of equilibrium wages where labour supply meets demand in perfectly competitive markets, contrasted with wage-setting in monopsonistic markets where…Pearson Edexcel

    Where these terms come from

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