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Searchable Online Glossary

This page provides an extensive online glossary of useful terms, including key terms from the book.

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Absolute advantage

the ability of a country to produce more of a particular commodity than another country, using an equal quantity of factor inputs 

Accelerator principle

 the theory that the level of net investment depends on the change in output 

Accommodating transaction

 one undertaken for balance of payments purposes 

Activist policy rule

a pre-specified rule for the conduct of policy that is linked to the state of the economy; also known as a feedback rule 

Adaptive expectations

 an approach that assumes people’s expectations of the future value of a variable are based solely on recently observed values of that variable 

Adverse selection

 arises in a market when asymmetric information problems drive out higher-quality goods or services 

Aggregate demand (AD)

 the total planned expenditures of all buyers of final goods and services; comprises consumer expenditure, investment expenditure, government expenditure and net exports 

Aggregate demand management

the use of fiscal and monetary policies to influence the level of aggregate demand 

Aggregate production function

a functional relationship between the quantity of aggregate output produced and the quantities of inputs used in production 

Aggregate supply (AS)

 the total planned output in the economy 

Appreciation

the appreciation of a currency involves an increase in its value in terms of other currencies  The term appreciation is used when the currency in question is not part of some formal fixed exchange rate system 

APR

 annual percentage rate of interest 

Asymmetric information

 arises when one party to a transaction has more information about a product than his or her counterpart 

Autonomous expenditure

 expenditure that does not depend on the level of national income 

Autonomous transaction

 one undertaken for its own sake 

Average cost

 the total cost of producing any given output divided by the number of units produced; average cost can be divided into average fixed costs and average variable costs 

Average product of labour

the average quantity of output produced by each worker employed 

Average revenue

the total revenue divided by the number of units sold; it also equals price 



Balance of payments

 a record of the transactions that take place between the residents of one country and the rest of the world over a given time period (usually one year) 

Barriers to entry

barriers or restrictions that prevent the entry of new firms into an industry 

Behavioural economics

 a branch of economics that studies sub-rational human decision-making 

Bretton Woods system

The system broke down in the early 1970s 

BRIC economies

 Brazil, Russia, India and China 

Business cycle

 fluctuations in aggregate economic activity; in particular movements in output around its trend 



Cairns Group

 comprises Argentina, Australia, Brazil, Canada, Chile, Columbia, Fiji, Hungary, Indonesia, Malaysia, Philippines, New Zealand, Thailand and Uruguay 

Capital–labour ratio

the amount of capital per worker; the ratio of the quantity of capital inputs to the number of workers 

Capital–output ratio

the ratio of the amount of capital to the amount of output produced by it 

Cartel

a group of firms or producers that agree to act as if they were a single firm or producer, for example with regard to pricing or output decisions 

Centrally planned economy

one in which resource allocation is predominantly organized by the state 

Ceteris paribus

 all other things being equal or remaining constant 

Classical economics

a pre-Keynesian approach based on the assumption that wages and prices adjust to clear markets and that monetary policy does not influence real variables, such as output and employment 

Coase theorem

states that where private parties can bargain in the absence of transaction costs, externality issues may be resolved without the need for government intervention 

Cold turkey

 a rapid and permanent reduction in the rate f monetary growth aimed at reducing the rate of inflation 

Collective bargaining

involves negotiations between a trade union and one or more employers over pay or workplace conditions 

Collective provision

 the provision of goods and services y the state 

Comparative advantage

 the ability of a country to produce a commodity at a lower opportunity cost, in terms of other commodities forgone, than another country 

Competition policy

government policy aimed at promoting competitive practices between firms in markets 

Complement

 a good that complements another good 

Constant returns to scale

occur where a given percentage increase in all factor inputs results in the same percentage increase in output 

Consumer expenditure

the aggregate purchases of goods and services by households for their own use 

Consumer sovereignty

 implies that the consumption choices of individuals collectively determine production patterns 

Consumer surplus

 the amount consumers would be willing to pay for a good or service above the price that they actually pay 

Consumption function

the relationship between aggregate consumer expenditure and aggregate  income 

Contractions in the quantity demanded

 movements along a demand curve that reduce the quantity demanded 

Contractions in the quantity supplied

movements along a supply curve that reduce the quantity supplied 

Convergence

 the tendency for output per worker in different countries to converge over time 

Cost-push inflation

inflation caused by cost increases  even though there are no shortages of goods and services and the economy is below full employment 

CPI

consumer prices index 

Credit crunch

the seizure in the world’s financial system  in 2008–9 when financial institutions greatly reduced their lending to one another and to their customers 

Credibility

the degree to which people believe the authorities’ announcements about future policy 

Crowding out

 the reduction in private sector expenditure that results following an increase in government expenditure 

Cyclical unemployment

see demand-deficient unemployment 



Deadweight loss

 arises in the case of monopoly when society is denied output it would prefer to see produced and consumed 

Decrease in demand

 a decrease in the quantity demanded at all possible prices resulting from an inward shift of the demand curve 

Decrease in supply

a decrease in the quantity supplied at all possible prices resulting from an inward shift of the supply curve 

Decreasing returns to scale

 occur where a given percentage increase in all factor inputs results in a smaller percentage increase in output 

Demand

 the quantity of a good or service that consumers wish to purchase at each conceivable price, other things being equal 

Demand-deficient unemployment

unemployment that arises because aggregate demand is insufficient to provide employment for everyone who wants to work at the prevailing real wage; also known as cyclical unemployment 

Demand-pull inflation

 inflation caused by an excess demand for goods and services when the economy is at, or above, full employment 

Depreciation

 the depreciation of a currency involves a decrease in its value in terms of other currencies. The term depreciation is used when the currency is not part of some formal fixed exchange rate system 

Depression

a very severe and prolonged recession 

Derived demand

 arises for a factor of production because of the demand for the output that the factor helps to produce. The factor in itself does not generate demand 

Devaluation

 the devaluation of a currency involves the lowering of its value in terms of other currencies when the currency in question is part of some formal fixed exchange rate system 

Diminishing marginal returns

occur when the extra output produced from employing additional units of a variable factor alongside the fixed factors of production diminishes 

Diminishing marginal utility

 the decline in marginal utility that occurs as more and more of a good or service is consumed 

Diminishing returns

 occur when successive increases in the use of a factor input, holding other factor inputs constant, eventually result in a fall in the additional output derived from a unit increase in that factor input 

Dirty flexible/floating exchange rate

see managed exchange rate 

Discretionary policy

 a situation in which the authorities are free to vary the strength of fiscal and/or monetary policy, in any way they see fit, in order to achieve their desired objectives 

Diseconomies of scale

occur where the average cost per unit of output increases as the scale of production increases 

Disinflation

a decrease in the rate of inflation 

Disposable income

 income that households have at their disposal after the payment of tax 

Diversified or conglomerate growth

 occurs when a firm engages in activity in another market or industry in which it has no prior interest 

Dividends

 sums of money paid by a firm to shareholders; each shareholder receives a dividend for each share held 

Dollar dilemma

this referred to the contradictory needs inside the Bretton Woods system from the US to both rein in and continue the flow of dollars to the rest of the world 

Dominant strategy

 a course of action that a player in a game follows regardless of the decisions of other players 

Dumping

 the export of goods to foreign markets with prices set below those normally charged in the home market 



Eclectic approach

one that combines themes and policies from different schools of thought 

Economic growth

 an increase in real GDP over time 

Economic rent

 payment to a factor of production above that necessary to retain it in its present use 

Economically active

 economically active individuals are those people of working age who are either in work or actively seeking it 

Economies of scale

 occur where the average cost per unit of output falls as the scale of production increases 

Economies of scope

arise when firms are able to provide goods and services collectively at a lower cost than would be possible were they to provide them discretely 

Efficiency wage

a real wage paid by firms, above the market-clearing real wage rate, because it is both profitable and rational for them to do so 

Elasticity of labour supply

measures the responsiveness of the quantity of labour supplied to changes in the wage rate 

Endogenous variable

a variable that is explained within a particular model 

Entrepreneur

 the risk-taking individual producer who perceives a demand in the market and organizes resources to meet that demand in the anticipation of profit 

Equilibrium price

 the price at which the quantity demanded equals the quantity supplied 

Equilibrium quantity

 the amount of a good that is bought and sold at the equilibrium price 

Euro area

comprises the 17 economies that have replaced their national currencies with the euro 

European Central Bank (ECB)

 the monetary authority for the euro area 

European Free Trade Association (EFTA)

 a free trade area that was formed under British leadership to rival the EEC; created in 1960, it has more recently been absorbed by the EU single market 

European Union

 a political, economic union between 27 European countries 

Euroscelerosis

a term used to describe the belief that Europe suffers from excessive labour market rigidities 

Excess demand

occurs when the quantity demanded exceeds the quantity supplied at some given price 

Excess supply

 occurs when the quantity supplied exceeds the quantity demanded at some given price 

Exchange rate

the price of one currency expressed in terms of another 

Exchange rate mechanism (ERM)

 the fixed but adjustable exchange rate element of the European Monetary System (EMS) 

Exogenous variable

a variable that is not explained within a particular model; its value is taken as given 

Expenditure reduction policy

involves reducing the level of aggregate demand in the domestic economy in order to improve the balance of payments position on the current account 

Expenditure switching policy

 switches domestic and foreign demand away from foreign goods and towards home-produced goods 

Extensions in the quantity demanded

 movements along a demand curve that increase the quantity demanded 

Extensions in the quantity supplied

movements along a demand curve that increase the quantity supplied 

Externalities

 the costs incurred or benefits received by other members of society not taken into account by consumers or producers. Externalities are also known as third-party effects 



Factor inputs

 any goods and services used in the process of production 

Factor intensity

 the emphasis in production towards the use of one particular factor of production above others 

Factor markets

markets in which factors of productionin land, labour and capitalare bought and sold 

Feedback rule

see activist policy rule 

Final output

goods and services that are sold to their ultimate users 

Fiscal policy

entails measures that alter the level and composition of government expenditure and taxation 

Fixed costs

 costs that do not vary with the quantity of output produced; sometimes referred to as overhead costs or unavoidable costs 

Fixed exchange rate

 an exchange rate that is fixed at a predetermined level by intervention by the country’s central bank in the foreign exchange market 

Flexible exchange rate

an exchange rate that is determined in the foreign exchange market by the forces of demand and supply; also known as a floating exchange rate 

Floating exchange rate

see flexible exchange rate 

Foreign direct investment (FDI)

 foreign direct investment is investment capital provided to a firm from a source in another country where the investor has a direct influence on the business activities of the recipient firm 

Foreign exchange reserves

stocks of foreign currencies held by central banks 

Free market economy

 one in which resource allocation is predominantly market based 

Free rider problem

 refers to the possibility that public goods will be underprovided by the market because individuals rely on others to pay for them 

Free trade

implies an absence of government regulation in international markets for goods and services 

Frictional unemployment

 unemployment that arises because it takes time for workers to search for suitable jobs; also known as search unemployment 

Full employment

a situation in which all unemployment is frictional and structural, and cannot be reduced by increasing aggregate demand 

Full employment output

see potential output 



G5

the world’s five leading economies: the United States, Japan, Germany, France and the United Kingdom 

G7

the seven main industrial economies in the world: the United States, Japan, Germany, France, Italy, the United Kingdom and Canada 

GDP in current prices

see nominal GDP 

GDP in real prices

see real GDP 

Globalization

 the spread of international trade and foreign direct investment to new parts of the world 

Goods

tangible products 

Goods markets

markets in which goods and services are bought and sold 

Gradualism

an approach to disinflation that involves a slow and gradual reduction in the rate of monetary growth 

Gross domestic product (GDP)

 the total value of goods and services produced in a country by the factors of production located in that country regardless of who owns them 

Gross national product (GNP)

 the value of final goods and services produced by domestically owned factors of production; GDP plus net property income from abroad 



Heckscher-Ohlin approach

holds that a country’s production and trade specialisms will reflect its particular factor endowments 

Horizontal growth

occurs when a firm expands its existing form of activity 

Horizontal merger

 arises when two firms in the same industry and stage in the production process merge together 

Human capital

the knowledge and skills of workers in an economy 

Hyperinflation

 a situation in which the rate of inflation is extremely high 

Hysteresis

 the proposition that the equilibrium value of a variable depends on the history of that variable; if the actual rate of unemployment remains above the natural rate for a prolonged period, the natural rate will tend to increase, and vice versa 



Information economics

 is concerned with issues that arise in economic decision-making that are affected by access to information 

Imperfect competition

a market structure in which there are a large number of firms selling similar but differentiated products; also known as monopolistic competition 

Imperfectly anticipated inflation

 arises when the actual rate of inflation differs from the anticipated or expected rate of inflation 

Income elasticity of demand

 the proportionate change in the quantity of a good demanded divided by the proportionate change in consumers’ incomes 

Increase in demand

an increase in the quantity demanded at all possible prices resulting from an outward shift of the demand curve 

Increase in supply

an increase in the quantity supplied at all possible prices resulting from an outward shift of the supply curve 

Increasing returns to scale

 occur where a given percentage increase in all factor inputs results in a larger percentage increase in output 

Industrial policy

government policy aimed at enhancing the performance of firms in markets 

Infant-industry argument

suggests that nascent domestic industries may need temporary protection from foreign competition until they mature 

Inferior good

one for which demand decreases when income increases 

Inflation

a situation in which the overall or general level of prices rises over time 

Inflation rate

the rate at which the general level of prices increases; expressed as a percentage on an annual basis 

Inter-industry trade

 refers to the tendency for countries to produce and trade different kinds of goods and services 

International division of labour

describes patterns of specialization in the production of goods and services between nations 

International Monetary Fund (IMF)

 an international agency, located in Washington, which promotes stability of member countries’ exchange rates and assists them in correcting balance of payments disequilibria 

Intra-industry trade

arises when countries trade the same kinds of goods and services 

Investment expenditure

purchases of capital goods, such as plant, machinery and buildings 



Keynesian economics

an approach based on the belief that capitalist economies are inherently unstable and can come to rest at less than full employment for prolonged periods. Keynesian economists favour the use of discretionary aggregate demand policies to stabilize the economy at, or near, full employment.



Labour market segmentation

 arises when labour faces barriers to entry to a particular labour market 

Laissez-faire

a situation in which there is little or no state interference in the market economy 

Law of diminishing returns

states that if more of a variable input is employed, holding the quantity of other inputs constant, the marginal product of the variable input will eventually decrease 

Legal monopoly

as defined in the UK, a legal monopoly arises where a firm enjoys a market share of 25 per cent or more 

Leontief paradox

refers to the finding that, for the United States, the predictions of the Heckscher-Ohlin model did not appear empirically verifiable 

Limited liability

 a situation where in the event of losses incurred by a firm, the personal wealth of its owners is not at risk; liability is limited to the value of the firm 

Long run

a period of time in which all factors of production may be varied 

Loss aversion

 suggests that people become more attached to an item or asset once they own it and value it more highly as a consequence 

Lucas critique

 the argument that traditional policy evaluation may be misleading as it fails to take into account that people may change their expectations and behaviour when policy changes 



Macroeconomics

 the study of the economy as a whole 

Macroeconomic policy

 policy used by governments to try to influence overall economic performance 

Managed exchange rate

an exchange rate that is influenced by the country’s central bank intervening in the foreign exchange market; also known as a dirty flexible, or dirty floating, exchange rate 

Marginal cost

the change in total cost resulting from increasing production by one unit 

Marginal physical product

 the change in a firm’s total output resulting from a unit change in the variable factor 

Marginal product of labour

the change in total output produced as a result of employing one more worker 

Marginal propensity to consume

 the change in consumption expenditure resulting from an additional unit of income 

Marginal propensity to import

 the change in import expenditure resulting from an additional unit of income 

Marginal propensity to withdraw

 the fraction of an additional unit of income that is withdrawn from the circular flow of income 

Marginal revenue

the amount of money that a firm receives from the sale of one more unit of its output 

Marginal revenue product

 the change in a firm’s total revenue resulting from the sale of output produced by one more unit of the variable factor 

Marginal social benefit

the money value of the benefit from one additional unit of consumption 

Marginal social cost

the cost of producing one additional unit of output. It includes both the marginal cost incurred by the producer and any marginal costs incurred by other members of society in the form of externalities

Marginal utility

 the change in total satisfaction resulting from a one-unit change in the consumption of a good or service 

Market

 a framework that brings buyers and sellers together 

Market clearing

occurs when all goods or services supplied in a market are sold 

Market concentration

the extent to which a market is dominated by a small number of firms 

Market failure

 arises where the market either fails to provide certain goods, or fails to provide them at their optimal or most desirable level 

Market power

the ability of a firm to set the price of a good or service without risking the loss of its entire market share 

Market segmentation

the division of a market by the producer into a number of discrete parts between which consumers cannot easily move 

Market structure

a market structure characterizes a market according to the degree of competition in it 

Marshall-Lerner condition

states that a currency depreciation or devaluation will improve the current account of the balance of payments so long as the sum of the price elasticities of the demand for imports and exports is greater than 1 

Mercantilism

a policy of state-protected trade 

Merger and acquisition

 the process in which one firm combines with or takes over another 

Microeconomics

the study of the behaviour of individual households and firms, and the determination of the relative prices of particular goods and services 

Minimum wage

 a legally binding obligation on employers to pay at least a given hourly rate 

Mismatch unemployment

see structural unemployment 

Mixed economy

one that combines market and state forms of resource allocation 

Monetarism

an approach based on the belief that capitalist economies are inherently stable, unless disturbed by erratic monetary growth and will return fairly rapidly to the neighbourhood of the natural level of output and employment when subjected to some disturbance 

Monetary policy

measures that alter the money supply and/or interest rates 

Monopolistic competition

see imperfect competition 

Monopoly

 a market structure in which there is a sole supplier of a good or service that has no close substitutes and for which there are barriers to entry into the industry 

Monopoly power

monopoly power arises where potential competitors can be excluded from a market 

Monopsony

arises where there is a dominant buyer in a market 

Moral hazard

undesirable or reckless behaviour in an economic context where there are no incentives to avoid such behaviour 

Multinational

a firm that owns and controls assets in more than one country 

Multiplier

the ratio of the change in income to a change in autonomous expenditure 



NAIRU

see non-accelerating inflation rate of unemployment Nash equilibrium a situation where economic agents optimize their actions, given the choices made by other parties 

National income

 the income that originates in the production of goods and services supplied by residents of a nation 

Natural monopoly

arises when a single firm is the most efficient structure for the production of a particular good or service 

Natural rate of unemployment

 the rate of unemployment that exists when the labour market clears and is in equilibrium; composed of frictional and structural unemployment 

Net exports

exports minus imports 

New classical economics

 an approach based on the three assumptions of continuous market clearing, incomplete information and rational expectations 

New Keynesian economics

 an approach that explores a variety of reasons for wage and price stickiness that prevents market clearing 

New protectionism

the non-tariff-based protection that emerged after the end of the postwar boom at the beginning of the 1970s 

Nominal GDP

the value of gross domestic product measured in terms of the prices prevailing at the time; also known as GDP in current prices 

Non-accelerating inflation rate of unemployment (NAIRU)

 the rate of unemployment at which inflation is stable 

Non-system

the broad system of flexible exchange rates prevailing in the world economy since 1973 

Normal good

one for which demand increases when income increases 

Normal profit

 the minimum amount of profit a firm must earn to induce it to remain in the industry 

Normative issues

those that are a matter of opinion 

North American Free Trade Agreement (NAFTA)

 a free trade area that covers the US, Canadian and Mexican economies 



Oligopoly

 a market structure in which a small number of firms compete with each other 

Opportunity cost

 the cost of an action measured in terms of the best forgone alternative action 

Optimum currency area

a grouping of economies within which markets are sufficiently integrated and flexible to make the use of one currency more desirable than separate national currencies 

Organic growth

 the growth of a firm from its own resources 

Organisation for Economic Co-operation and Development (OECD)

an intergovernmental organization, based in Paris, which provides a policy forum for the major industrialized countries for the promotion of economic growth, expansion of multilateral trade and provision of foreign aid to developing countries 

Overhead costs

see fixed costs 



Pareto efficiency

a situation in which it is impossible to make someone better off without making someone else worse off; also known as Pareto optimality 

Participation rate

the proportion of economically active workers in a particular group of the population 

Passive policy rule

a pre-specified rule for the conduct of policy not linked to prevailing economic circumstances 

Pay differentials

 exist where there are wage rate premiums attached to particular kinds of work 

Perfect competition

 a market structure most notably characterized by a situation in which all firms in the industry are price takers and there is freedom to enter and leave the industry 

Perfectly anticipated inflation

arises when the actual rate of inflation is equal to the anticipated or expected rate of inflation 

Perfectly elastic demand

arises where the response of quantity demanded to a price change is infinitely large; price elasticity of demand is ∞(infinity) 

Perfectly inelastic demand

 arises where the quantity demanded does not respond to a change in price; price elasticity of demand is 0 

Permanent income

 the average income that people expect to receive over a period of years in the future; also known as normal income and average expected income 

Phillips curve

depicts the relationship between the inflation rate and the unemployment rate 

Policy ineffectiveness proposition

 the proposition that anticipated changes in monetary policy have no effect on output and employment 

Political business cycle

fluctuations in the level of output and employment caused by the manipulation of the economy for electoral gains or due to partisan differences 

Positive issues

those that are factually based 

Potential output

the maximum output that can be produced in an economy, given its factor endowments, without generating accelerating inflation; also known as full employment output 

Price elastic

 a situation where the proportionate change in quantity demanded is greater than the proportionate change in price; elasticity is greater than 1 

Price elasticity of demand

 the proportionate change in the quantity demanded of a good divided by the proportionate change in its price that brought it about 

Price elasticity of supply

the proportionate change in quantity supplied of a good divided by the proportionate change in its price that brought it about 

Price inelastic

 a situation where the proportionate change in quantity demanded is less than the proportionate change in price; elasticity is less than 1 

Price index

 a measure of the average level of prices of a set of goods and services relative to the prices of the same goods and services in a particular base year 

Price maker

 a firm that can determine the price it charges for its goods 

Price taker

a firm that has to take the market price of its product as given 

Price transparency

arises in an international context when countries use the same currencies or, to a lesser extent, when exchange rates are fixed 

Prices and incomes policy

 measures that establish guidelines or controls for wage and/or price increases 

Private good

one that is wholly consumed by an individual 

Product life-cycle theory

understands the changing patterns of international trade by referencing the development of commodities and their production locations over time 

Production function

a functional relationship between the output of goods or services produced and the quantity of inputs used in the production process 

Production quotas

 quantitative limits on the output of an industry 

Profit

the difference between total revenue and total cost 

Protectionism

occurs where the principle of free trade is compromised 

Public good

one that, once produced, can be consumed by everyone 

Public sector borrowing requirement (PSBR)

 the amount by which the expenditure of the public sector exceeds its revenue 

Purchasing power parity

predicts that the nominal exchange rate will adjust to offset differences in inflation rates between economies in the long run 

Pure monopoly

 a market structure in which there is a sole supplier of a good or service that has no close substitutes and for which there are barriers to entry into the industry 



Q Quantitative easing

 a policy that injects money directly into the economy in order to boost spending and prevent inflation falling below target 

Quantity demanded

the amount of a good or service that consumers wish to purchase at a particular price, other things being equal 

Quantity supplied

 the amount that producers wish to sell at a particular price, other things being equal 

Quota

a quantitative limit on goods 



Random walk

 the path of a variable whose changes over time are unpredictable 

Rational expectations

an approach that assumes people make the best use of all available information to forecast the future 

Real business cycle approach

an approach in which fluctuations in aggregate output and employment are driven by persistent supply-side shocks to the economy, most notably random fluctuations in the rate of technological progress 

Real exchange rate

measures the real purchasing power of a currency 

Real GDP

 the value of gross domestic product measured in terms of the prices that prevailed in some particular base year; also known as GDP in constant prices 

Real wage

the money wage divided (or deflated) by a price index; the amount of goods and services that a money wage can buy 

Recession

a decline in real GDP that lasts for at least two consecutive quarters of a year 

Relative price

the ratio of the price of one good to the price of another good; expressed as the number of units of one good that one unit of another good will buy 

Reservation wage

 the minimum rate required to induce an individual to accept a job 

Resource allocation

 the commitment of a society’s productive endowments, such as labour and machinery, to particular uses or patterns of use 

Resource scarcity

implies that all resources are scarce in relation to the limitless wants present in every society 

Revaluation

 the revaluation of a currency involves an increase in its value in terms of other currencies when the currency in question is part of some formal fixed exchange rate system 

Rules

 pre-specified guidelines that determine the conduct of policy 



Say’s Law

 states that supply creates its own demand 

Search unemployment

see frictional unemployment 

Services

 intangible products 

Shifting comparative advantage

 implies that patterns of comparative advantage are not stable over time 

Short run

a period of time in which some factors of production such as capital and land are fixed, while others such as labour may be varied 

Short-run Phillips curve

depicts the relationship between inflation and unemployment that exists for a given expected rate of inflation 

Signalling

measures taken by economic agents to indicate their value to third parties; for example, educational qualifications signal the potential productivity of workers 

Social provision

see collective provision 

Stabilization policy

 policy aimed at stabilizing output and employment at, or near, their full employment or natural levels by influencing the level of aggregate demand 

Stagflation

 a situation where high unemployment and high inflation occur simultaneously; a combination of stagnation and inflation 

Steady state

a situation in which output per worker and capital input per worker are constant or unchanging over time 

Structural unemployment

unemployment that results from a mismatch between the skills or location of existing job vacancies and the present skills or location of the unemployed; also known as mismatch unemployment 

Substitute

a good that can be substituted in place of another good 

Supernormal profit

profit that exceeds the minimum amount a firm must earn to induce it to remain in the industry 

Supply

the quantity of a good or service producers wish to sell at each conceivable price, other things being equal 

Supply-side policies

 policies directed towards increasing aggregate supply by altering the response of firms and individuals to changing conditions 



Tariff

a tax on traded goods 

Third-part effects

see externalities 

Tiger economies

Hong Kong; Malaysia; South Korea; Singapore; Taiwan; and Thailand 

Time inconsistency

 the temptation of policymakers to deviate from a previously announced policy once private decision makers have adjusted their behaviour to the announced policy 

Total cost

 the sum of the costs of all inputs used in producing a firm’s output; total cost can be divided into total fixed costs and total variable costs 

Total product of labour

the total output produced by a given number of workers 

Total revenue

the amount of money a firm receives from the sale of its output; it equals the price of output multiplied by the number of units sold 

Trade union density

 the percentage of employees in an economy who are members of a trade union 

Transaction costs

 costs associated with undertaking business activities or other forms of economic exchange 

Transfer earnings

payments to a factor of production that are necessary to retain it in its present use 

Transition economy

an economy in the process of changing from central planning to capitalism 



Unemployed

people who are available for work and are actively seeking jobs but cannot find them 

Unemployment rate

 the percentage of the labour force unemployed 

Unit elasticity

 where the proportionate change in quantity demanded is equal to the proportionate change in price; elasticity is 1 

Unlimited liability

 places the entire personal wealth of the owner of a firm at risk in respect of losses that the firm may incur 

Utility

the satisfaction that a consumer receives from the consumption of a good or service 

Valuation ratio

the market valuation of the firm, expressed by the price of its shares, divided by the book value of assets 

Variable costs

 costs that vary with the quantity of output produced; sometimes referred to as direct costs or avoidable costs 

Vertical growth

occurs when a firm engages in activity in another part of the production process or market in which it has an interest 

Vertical merger

 when two firms in the same industry but at different stages in the production process merge 




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