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Overview of Key Economic Concepts
Sep 15, 2024
IGCIC Economics Overview
The Economic Problem
Definition
: Fewer resources than unlimited wants.
Types of Goods
:
Economic Goods
: Have opportunity costs.
Free Goods
: Do not have opportunity costs (e.g., sunlight).
Factors of Production
Remember with the acronym CELL
:
C
apital: Manufactured resources.
E
nterprise: Skills and willingness to take risks.
L
and: Natural resources.
L
abor: Human resources.
Rewards for Factors
:
Land: Rent
Labor: Wages
Capital: Interest
Enterprise: Profits
Mobility of Factors
Geographical Mobility
: Willingness to relocate for employment.
Barriers
: Family ties, commitments, cost of living.
Occupational Mobility
: Changing jobs affected by training period and education.
Opportunity Cost
Definition
: Cost of the next best alternative when choosing a good.
Production Possibility Curve (PPC)
:
Points inside the curve are inefficient.
Points outside the curve are unattainable.
Outward Shift
: New resources, technology, increased labor force.
Inward Shift
: Natural disasters, low investments, resource depletion.
Branches of Economics
Microeconomics
: Study of particular markets.
Macroeconomics
: Study of the whole economy.
Key Economic Questions
What to produce?
How to produce?
For whom to produce?
Price Mechanism
Decisions based on the equilibrium point of supply and demand.
Demand
Definition
: Willingness and ability to buy goods/services at a given price.
Law of Demand
: Higher prices lead to lower demand.
Factors Affecting Demand
:
Price, advertising, government policies, consumer tastes, income, substitutes, interest rates.
Types of Demand
:
Individual Demand
: Demand by one individual.
Market Demand
: Aggregate of all individual demands.
Supply
Definition
: Ability and willingness to provide goods/services at a given price.
Law of Supply
: Higher prices lead to higher quantity supplied.
Factors Affecting Supply
:
Costs of production, prices of other goods, global factors, technology advances, business optimism.
Types of Supply
:
Individual Supply
: Supply by one producer.
Market Supply
: Aggregate supply from all firms.
Market Equilibrium
Equal supply and demand in an economy.
Price Elasticity of Demand (PED)
Definition
: Responsiveness of demand to price changes.
Types
: Inelastic and elastic demand.
Factors Affecting PED
: Number of substitutes, time period, income proportion, necessity.
Price Elasticity of Supply (PES)
Definition
: Responsiveness of quantity supplied to price changes.
Formula
: % change in quantity supplied / % change in price.
Factors Affecting PES
: Time, resource availability, spare capacity, substitution.
Economic Systems
Market Economic System
: Run by private firms and individuals.
Market Failure
: Price mechanism fails to allocate resources.
Mixed Economic System
: Government involvement in the economy.
Functions and Characteristics of Money
Functions
: Medium of exchange, unit of account, store of value, standard for deferred payment.
Characteristics
: Acceptability, durability, portability, divisibility, scarcity.
Types of Banks
Commercial Banks
: Provide financial services to the public.
Central Banks
: Manage the currency and monetary policy.
Households and Factors Influencing Occupation
Influences: Challenge level, danger level, training length, education.
Demand for Labor
: Affected by productivity.
Supply of Labor
: Affected by training quality.
Wage Differentials
Occupational Wage Differentials
: Job satisfaction, fringe benefits, labor immobility.
Wage Differentials in Same Job
: Local pay agreements, discrimination, non-monetary agreements.
Specialization
Definition
: Production broken down into tasks.
Trade Unions
Protect the interests of members regarding wages, benefits, and conditions.
Classifications of Firms
Sectors
:
Private Sector
Public Sector (owned by government)
Mergers
: Formation of new companies from agreement between firms.
Types: Horizontal, vertical (forward and backward), lateral.
Objectives of Firms
: Survival, growth, profit maximization.
Government Microeconomic Aims
Economic growth, low unemployment, low inflation, stable prices, balance of payments stability, redistribution of income.
Government Policies to Boost Economy
Fiscal Policy
:
Expansionary
: Reduces taxes, increases spending.
Contractionary
: Increases taxes, reduces spending.
Types of taxes: Progressive, regressive, proportional, direct, indirect.
Monetary Policy
:
Use of interest rates to control money supply.
Contractionary
: Raises interest rates to reduce inflation.
Expansionary
: Lowers interest rates to increase employment.
Supply-Side Policies
:
Aim to increase economic growth by raising productive potential.
Tools: Tax incentives, subsidies, education, competition policy, free trade, deregulation.
Economic Growth
Annual increase in national output (GDP).
Recession
: Opposite of economic growth.
Types of Employment
Cyclical, structural, frictional, seasonal unemployment.
Inflation and Deflation
Inflation
: Sustained increase in price levels.
Deflation
: Decrease in price levels (inflation falls below 0%).
Types of inflation: Cost-push, demand-pull.
Economic Development
Living Standards
: Measure of economic well-being.
Poverty
: Absolute (below income threshold) vs. Relative (below average income).
Causes of Poverty
: Unemployment, low wages, illness, poor healthcare, low literacy, high population growth, poor infrastructure.
Population Factors
Birth rate, death rate, immigration, emigration.
International Specialization
Countries specialize based on absolute or comparative advantages.
Advantages
: Efficiency, labor productivity, increased productive capacity.
Disadvantages
: Over-specialization, lack of variety, high labor turnover.
Globalization
Process of businesses developing international influence.
Multinationals
: Operate in multiple countries.
Benefits of Free Trade
: Cheaper/better products, increased competition, lower prices.
Trade Protection
: Tariffs, subsidies, quotas, embargoes.
Foreign Exchange Rates
Definition
: Price of currency in terms of another.
Trade Deficit
: More imports than exports.
Trade Surplus
: More exports than imports.
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