Economics Grade 10-11 Performance Enhancing Notes Review

THEME 1: WHAT IS ECONOMICS

TOPIC 1.1 BASIC ECONOMIC PROBLEM: SCARCITY AND EXERCISE OF CHOICE

Nature of the Economic Problem

  • Definition of Economics: A social science that studies how people and institutions within a society make choices and how these choices determine the use of the society’s resources. It is the study of the satisfaction of wants involving the consumption of goods and services produced with scarce resources. It focuses on the production, distribution, and consumption of wealth in human society.

  • The Basic Economic Problem: This arises because the amount of economic resources available to satisfy needs is insufficient, also known as scarcity. The core components are:

    • Unlimited Human Wants: People's desires for goods and services are infinite.

    • Limited Economic Resources: The resources to satisfy these wants are finite in supply.

    • Scarcity: Resources at any given time cannot supply enough goods and services to fully satisfy all human wants. If something is scarce, it will possess a market value.

Economic Resources (Factors of Production)

  1. Land (Natural Resources): All inputs obtained from nature. This includes land itself, water, minerals, wood, fossil fuels, grazing areas, flora, and fauna.

  2. Labour: All forms of human input, including the mental and creative efforts of people engaged in the production of goods and services.

  3. Capital: Man-made resources used in production such as buildings, money, machinery, and all other equipment.

  4. Entrepreneurship: The human initiative to combine land, labour, and capital to produce a product or service profitably.

Scarcity and Opportunity Cost

  • Choice: Because resources are limited and wants are unlimited, people must make choices to ensure the optimum use of available resources.

  • Verbatim Definition of Opportunity Cost: The best alternative given up in order to obtain the things we have chosen.

  • Illustrative Examples:

    • Individual Example: A motorist has money for either petrol or a restaurant meal. He chooses petrol; the food is the opportunity cost. If you have N$100N\$100 and choose an Economics study guide over shoes, the shoes are the opportunity cost.

    • Firm Example: A firm choosing between different production methods.

    • Government Example: The Namibian government has N$35 millionN\$35\,\text{million}. It can spend this on textbooks or HIV/AIDS victims. If spent on health services, the opportunity cost is the textbooks.

Classification of Goods

  • Economic Goods: Anything obtained by paying a price where opportunity cost is involved (e.g., bread, cars, pens).

  • Free Goods: Anything obtained without paying a price where no opportunity cost is involved (e.g., air, sand in the desert, ice at the South Pole).

TOPIC 1.2 TYPES OF ECONOMIC SYSTEMS AND ECONOMIC RESOURCES

The Three Fundamental Economic Questions

  1. What should be produced?

  2. How should goods be produced?

  3. For whom should the product be produced?

Market Economy (Capitalist/Free Market)

  • Definition: An economic system where the allocation of resources is determined by the market mechanism, specifically the forces of demand and supply. Decisions are made by individual firms and consumers.

  • Main Features:

    • Private Ownership: Factors of production are owned by private individuals, not the state.

    • Limited Government Role: Government only maintains law and order.

    • Freedom of Choice: Individuals choose what to consume/produce.

    • Profit Motive: Firms produce only profitable goods with demand.

    • Self-interest: Consumers and firms aim to maximize utility or satisfaction.

    • Price Mechanism: Prices are determined by demand and supply; changes result in price shifts.

    • Competition: High competition often results in lower prices.

  • Advantages:

    • Economic freedom to produce and consume.

    • The price system quickly resolves shortages and surpluses.

    • Less bureaucracy as government does not run the economy.

    • Efficiency is driven by the profit motive; lower costs lead to higher profits.

    • Innovation and variety in quality products.

  • Disadvantages (Market Failure):

    • Based on ability to pay, not need.

    • Public goods (e.g., streetlights, defense) will not be produced because individuals cannot be charged directly.

    • Merit goods (e.g., education, healthcare) may be under-provided.

    • Inequality in income/wealth distribution.

    • Risk of economic depression (slumps) and monopolies.

    • Lack of social security for the unemployed.

Centrally Planned Economy (Command/Socialist)

  • Definition: A system where all resources are owned and controlled by the government, which decides what to produce and how to allocate it.

  • Features:

    • The state owns all factors of production and businesses.

    • Government makes all production/distribution decisions based on long-term plans (e.g., 5-year plans).

    • All workers are state employees.

    • Prices and wages are set by planners to keep necessities affordable.

  • Advantages:

    • High provision of public and merit goods.

    • Equal distribution of income.

    • Government can control pollution and ensure safe working conditions.

    • Low or zero unemployment as jobs are guaranteed.

  • Disadvantages:

    • No economic freedom for consumers.

    • Huge bureaucracy and "red tape."

    • Inefficiency due to lack of profit motives.

    • Poor quality of goods and slow response to consumer needs.

Mixed Economy

  • Definition: An economy where some factors of production are owned by the government (public sector) and some by private individuals (private sector). The government provides merit goods paid for through taxation.

  • Government Influence Methods:

    • Subsidizing goods to encourage consumption.

    • Taxing goods to discourage consumption.

    • Nationalization (taking over private firms).

    • Direct production of essential services.

  • Reasons for Mixed Economies: Prevention of resource misallocation, correction of market failures, and achieving macroeconomic aims.

TOPIC 1.3 SPECIALISATION AND DIVISION OF LABOUR

  • Specialisation: When a worker, firm, or industry concentrates on a particular product or task to become an expert.

  • Division of Labour: When a production process is split into different tasks, and each worker performs one specific task.

Advantages and Disadvantages

  • Advantages:

    • Increased speed and skill development.

    • Increased productivity/output.

    • Efficient use of specialized machinery.

    • Lower unit costs allowing for lower prices.

    • Time-saving as workers don't switch tasks.

  • Disadvantages:

    • Boredom and frustration from repetitive work.

    • Interdependence: A strike in one area halts the whole process.

    • Reduced flexibility: Specialized workers may find it hard to change careers.

    • Lack of variety in goods.

Levels of Specialisation

  1. Individual/Worker: e.g., nursing, hairdressing.

  2. Firm: e.g., a textile firm specializing only in dyeing.

  3. Industry: e.g., the oil or chemical industry.

  4. Regional: e.g., Northern Namibia specializing in mahangu production.

  5. International: e.g., South Africa specializing in gold due to climate/resources.

THEME 2: NATURE AND FUNCTIONS OF ORGANISATIONS AND FINANCIAL INSTITUTIONS

TOPIC 2.1 BUSINESS ORGANISATIONS

Private vs. Public Sector

  • Private Sector: Owned and controlled by private individuals (e.g., Sole Traders, Partnerships, Pty Ltd). Funded by customers.

  • Public Sector: Owned by the State and controlled by government appointees (e.g., Parastatals). Funded by taxation.

Forms of Business Organisation

  1. Sole Trader:

    • Owned/managed by one person.

    • Features: Unlimited liability (can lose personal property for debts); owner takes all profits.

    • Disadvantage: Business ends if owner dies; difficult to get loans.

  2. Partnership:

    • 2 to 20 people.

    • Advantages: More capital and shared skills.

    • Disadvantage: Unlimited liability; business ends if a partner leaves/dies.

  3. Private Limited Company ((Pty) Ltd):

    • 1 to 50 shareholders. Not sold to the general public.

    • Benefits: Limited liability; legal entity status; continuity.

  4. Public Limited Company (Ltd):

    • Minimum 7 shareholders, no maximum. Sold on Stock Exchange.

    • Advantage: High capital raising potential.

    • Disadvantage: Must publish financial statements; separation of ownership and control.

  5. Multinationals:

    • Operates in more than one country. Head office usually in home country.

    • Pros: Create jobs, bring technology.

    • Cons: Profit repatriation (sent home), may exploit local resources.

  6. Co-operatives:

    • Owned by members with common needs. Types: Producer, Retail/Consumer, Agricultural.

    • Governance: One member, one vote.

  7. Close Corporation (CC):

    • 1 to 10 members. Simplified legal requirements but limited size.

  8. Public Corporations (Parastatals):

    • Wholly/partly state-owned (e.g., Namwater, Nampower). Established by Act of Parliament.

TOPIC 2.2 TRADE UNIONS AND EMPLOYER ASSOCIATIONS

  • Trade Union: A group of workers joined to protect common interests (e.g., NANTU, MUN).

  • Collective Bargaining: Negotiations between managers and union representatives over wages, hours, and conditions.

  • Industrial Actions: Strike, go-slow, picketing, consumer boycott.

  • Types of Unions:

    • Craft: Skilled workers (plumbers, etc.).

    • General: Unskilled/semi-skilled workers.

    • Industrial: All workers in one industry (e.g., mining).

    • White Collar: Office/professional workers (teachers, lawyers).

  • Employer Association: Organizations of employers from the same industry working together for common interests (e.g., Namibia Employer Federation).

TOPIC 2.3 FINANCIAL INSTITUTIONS

Money

  • Definition: Anything generally accepted as a medium of exchange to settle debt.

  • Functions: Medium of exchange, unit of account (measure of value), store of value, standard for deferred payment.

  • Qualities: Divisible, acceptable, portable, durable, homogeneous (hard to forge), limited in supply.

  • History: Commodity money → Representative money (IOUs) → Fiat money (money by government decree).

Banking and Finance

  • Central Bank (Bank of Namibia): The government's bank. Functions: Issuing currency, lender of last resort, managing monetary policy, keeping gold/foreign reserves.

  • Commercial Banks: Functions: Accepting deposits (current/savings), providing loans/overdrafts, investment advice.

  • Stock Exchange (NSX): A marketplace for buying and selling securities (shares/debentures). Enables firms to raise finance.

  • Exchange Rate Calculations:

    • Base to Secondary: Multiply.

    • Secondary to Base: Divide.

    • Appreciation (Value up) makes imports cheaper; Depreciation (Value down) makes exports cheaper.

THEME 3: THE MARKET

TOPIC 3.1 WHAT IS A MARKET?

  • Perfect Competition: Homogeneous products, many firms, price takers, no entry barriers.

  • Monopoly: Single firm, high barriers, price maker.

  • Monopolistic Competition: Many small firms, differentiated products (similar but not identical, e.g., furniture).

  • Barriers to Entry: Capital barriers, Legal barriers (patents/licenses like MTC), Marketing barriers (branding), Distribution barriers.

TOPIC 3.2 MARKET FORCES

Demand

  • Law of Demand: Inverse relationship between price and quantity. When price increases, quantity demanded falls.

  • Shifts vs. Movement: Movement is caused by price changes (extension/contraction). Shifts are caused by non-price factors: income, tastes, population, substitute/complementary prices, advertising.

Supply

  • Law of Supply: Direct relationship between price and quantity. When price increases, quantity supplied increases.

  • Shifts: Caused by production costs, technology, weather (in agriculture), taxes, or subsidies.

Equilibrium

  • Equilibrium Price: Where quantity demanded equals quantity supplied.

  • Price Ceiling (Maximum Price): Set below equilibrium to help poor consumers (causes shortages).

  • Price Floor (Minimum Price): Set above equilibrium to help producers/workers (causes surpluses).

TOPIC 3.3 PRICE ELASTICITY

  • Price Elasticity of Demand (PED): PED=%ΔQD%ΔP\text{PED} = \frac{\% \Delta \text{QD}}{\% \Delta \text{P}}

    • Elastic (\text{PED} > 1): Sensitive to price changes (luxuries).

    • Inelastic (\text{PED} < 1): Unsensitive to price changes (necessities, addictive goods).

  • Price Elasticity of Supply (PES): PES=%ΔQS%ΔP\text{PES} = \frac{\% \Delta \text{QS}}{\% \Delta \text{P}}

    • Factors: Spare capacity, stock levels, production time (short run vs. long run).

TOPIC 3.4 ADVERTISING

  • Purpose: Inform/persuade customers, increase market share, create brand loyalty, deter competition.

  • Methods: TV, Radio, Cinema, Print, Billboard, Leaflets, Internet (E-commerce), Exhibitions/Trade Fairs.

TOPIC 3.5 POLICIES

  • Pricing Policies:

    • Price Discrimination: Charging different prices for different groups (e.g., student vs. adult rates).

    • Skimming: High initial price for new tech.

    • Penetration: Low price to enter a market.

    • Destroyer Pricing: Extremely low price to eliminate competitors.

THEME 4: OCCUPATION, INCOME AND EXPENDITURE OF INDIVIDUAL

TOPIC 4.1 OCCUPATIONAL CHOICES

  • Wage Factors: Salary, overtime, bonuses, commissions, profit sharing.

  • Non-Wage Factors: Fringe benefits (medical, housing), working hours, location, career prospects, job security, working conditions.

TOPIC 4.2 EARNINGS

  • Differences in Earnings: Explained by demand/supply of labor, education/skills, risk, unsociable hours, and labor mobility.

  • Verbatim Definitions:

    • Economic Rent: Amount earned above the minimum required to keep a factor in its current occupation.

    • Transfer Earnings: Minimum reward required to keep a factor of production in its current occupation.

TOPIC 4.3 EXPENDITURE

  • Spending Factors: Income levels, interest rates (high rates discourage spending), inflation, consumer confidence.

  • Saving Motives: Precautionary (rainy day), retirement, major purchases. High interest rates encourage saving.

  • Borrowing Motives: Immediate needs, mortgages, financing education. High interest rates discourage borrowing.

THEME 5: PRODUCTION

TOPIC 5.1 THE PRIVATE FIRM AS PRODUCER AND EMPLOYER

  • Profit Maximisation: Achieved where Marginal Revenue (MR) equals Marginal Cost (MC). Profit=Total Revenue−Total Cost\text{Profit} = \text{Total Revenue} - \text{Total Cost}.

  • Stages of Production: Primary (extraction), Secondary (manufacturing), Tertiary (services).

  • Derived Demand: Demand for factors of production depends on demand for the final goods they produce.

TOPIC 5.2 PRODUCTIVITY

  • Formula: Productivity=OutputInput\text{Productivity} = \frac{\text{Output}}{\text{Input}}.

  • Improvement: Training, better machinery, division of labor, worker motivation.

  • Impact of HIV/AIDS: Increases absenteeism, loss of skills, and higher labor costs for companies.

TOPIC 5.3 PRODUCTION COSTS AND REVENUE

  • Fixed Costs (FC): Do not change with output (rent, salaries).

  • Variable Costs (VC): Change with output (raw materials).

  • Total Cost (TC): TC=FC+VCTC = FC + VC.

  • Total Revenue (TR): TR=P×QTR = P \times Q.

TOPIC 5.4 ECONOMIES AND DISECONOMIES OF SCALE

  • Internal Economies (Size advantages): Technical, Financial (cheaper loans), Marketing (bulk ads), Managerial (specialists), Purchasing (bulk buying discount), Risk-bearing.

  • External Economies: Skilled labor pools, shared infrastructure.

  • Diseconomies (Size disadvantages): Communication problems, loss of control, low worker morale, waste.

  • Integration Types:

    • Horizontal: Same stage, same industry.

    • Vertical Backward: Merging with supplier.

    • Vertical Forward: Merging with retail outlet.

    • Conglomerate: Unrelated industries.

THEME 6: THE ROLE OF THE GOVERNMENT IN THE ECONOMY

TOPIC 6.2 GOVERNMENT ECONOMIC POLICIES

  • Macroeconomic Aims: Full employment, low inflation, economic growth (GDP increase), redistribution of income, balance of payment stability.

  • Fiscal Policy: Using Taxation and Government Spending to influence demand.

    • Budget Deficit: Spending > Revenue.

    • Budget Surplus: Revenue > Spending.

  • Monetary Policy: Control of money supply and Interest Rates via the Central Bank.

TOPIC 6.3 GOVERNMENT CONTROL

  • Direct Taxes: Income tax, Corporation tax, Capital gains tax.

  • Indirect Taxes: VAT (15% in