macro

Introduction to Botho University

  • Vibrance Innovation Impact: The university promotes a dynamic and innovative learning environment.

Course Introduction

Introduction

  • Students & Expectations

  • Housekeeping Issues

  • Completion of Contact Details Form

  • Milestones

  • Prescribed Text: Mankiw, N.G., Taylor M. P. (2014), Principles of Economics - Third edition, Cengage Learning EMEA

  • Assessments:

    • 40% Internal Assessment

    • 60% Final Assessment

Housekeeping Procedures

  • Importance of Mutual Respect among students.

  • Regular Attendance: Mandatory for success in the course.

  • Cell Phone Policy: No usage during lessons to minimize distractions.

  • Class Participation: Active engagement is encouraged for a thorough understanding of the material.

  • Punctuality: Students are expected to arrive on time.

Learning Objectives in Macroeconomics

  • Students will learn about:

    • Fundamental issues in macroeconomics: Including the overall economic environment and its impact on stakeholders.

    • Five main macroeconomic objectives: To understand the goals of economic policies.

    • Differences between microeconomics and macroeconomics: To delineate the areas of focus within economic study.

    • Fluctuations in economic performance: Understanding economic cycles and their implications.

    • Policies to influence economic performance: Learning about governmental interventions.

Economic Performance Overview

When the Macroeconomy Performs Well

  • Jobs are accessible.

  • Incomes are rising.

  • Corporations report high profits.

When the Macroeconomy Underperforms

  • Jobs are scarce.

  • Incomes are stagnant or declining.

  • Corporate profits are low.

Importance of Understanding Macroeconomics

  • The macroeconomic performance directly affects individuals’ lives.

  • Economists face questions such as:

    • How does the economy perform?

    • Will the economy improve?

    • Why do economies diverge in success?

  • Essential to determine criteria for measuring economic performance, and how these can be quantified.

Concepts of Macroeconomics

Microeconomics vs. Macroeconomics

  • Microeconomics: Analyses behavior of individual decision-makers like firms and households.

  • Macroeconomics: Studies the economy in aggregate and examines total outputs, income, consumption, and investment.

    • Aggregate behavior: Represents collective actions of all households and firms.

Price Stickiness

  • Sticky Prices: Prices that do not adjust quickly to changes in supply and demand, notably wage rates.

  • During unemployment, there is a surplus of labor supply compared to demand, and wages don’t adjust swiftly enough.

Key Macroeconomic Objectives

  1. Economic Growth:

    • Defined as an increase in total output of goods and services over time.

  2. Full Employment:

    • All factors of production, particularly labor and capital, are utilized.

    • Unemployment is viewed as a critical indicator of economic health.

  3. Price Stability:

    • Targets maintaining low inflation rates.

    • Example: Botswana’s Central Bank aims for an inflation target of 3-6%.

  4. Balance of Payments Stability:

    • Summary of the economy’s transactions with the rest of the world, including imports and exports.

    • Emphasizes the need for stable exchange rates to achieve external balance.

  5. Equitable Distribution of Income:

    • Fair distribution of a nation's wealth is essential to prevent social and political conflicts.

Economic Output Growth: Short-Run vs Long-Run

  • Fluctuations in economic performance are common as countries strive for stability.

  • Business Cycle: Represents the short-term variations in economic activity.

  • Aggregate Output: Measures the total output of goods and services produced in a year.

    • A decline in output correlates with a decline in living standards and rising unemployment.

Concept of Recession

  • Recession: A period of economic decline characterized by two consecutive quarters of reduced output.

  • A severe recession is termed a depression.

  • Policymakers aim to mitigate output fluctuations and enhance long-term growth rates.

The Business Cycle Phases

  1. Peak:

    • The economy reaches maximum activity, often coupled with full employment and increasing prices.

  2. Recession/Contraction:

    • A downturn marked by reduced total output, income, and employment.

  3. Trough:

    • The lowest levels of output, employment, and income.

  4. Recovery/Expansion/Boom:

    • Economic activity begins to increase, with rising output, employment, and income levels.

Inflation and Economic Performance

Overview of Inflation

  • Inflation: An increase in the overall price level within the economy.

  • Hyperinflation: Extremely rapid price increases affecting an economy; example: Zimbabwe in 2008 with inflation reaching 231,000,000%.

    • Hyperinflation is attributed to excessive money printing by the government leading to devaluation of currency.

Effects of Inflation

  • Extremely high inflation undermines economic stability.

  • People lose purchasing power quickly, prompting immediate spending to mitigate the effects of inflation.

Deflation

  • Deflation: A decrease in the overall price level.

  • It is crucial for policymakers to avoid it to maintain macroeconomic stability, as it often follows a drop in aggregate demand.

  • Stagflation: A phenomenon where inflation occurs alongside high unemployment and stagnant economic growth.

Components of the Macroeconomy

Circular Flow Diagram

  • Visual representation of income and payment exchanges among different economic sectors.

  • Economic Participants: Divided into four groups:

    1. Households

    2. Firms

    3. Government

    4. Rest of the World

  • Understanding the circulation of money in the economy is crucial: Every transaction has a dual aspect—expenditure and income.

Transfer Payments

  • Payments made by the government without the provision of goods or services in return.

    • Examples include Old Age Pension, War Veterans benefits, unemployment benefits, etc.

Market Arenas in Macroeconomics

Types of Markets

  • Goods-and-Services Market: Interaction between households and firms for goods and services.

  • Labour Market: Firms and government demand labor from households.

  • Money (Financial) Market: Households can purchase financial instruments such as stocks and bonds while also providing funds in anticipation of returns.

Financial Instruments

Government and Corporate Bonds

  • Treasury Bonds/Notes/Bills: Issued by the government during borrowing.

  • Corporate Bonds: Issued by corporations as promissory notes to households.

Shares and Dividends

  • Shares of Stock: Represent ownership in a firm and entitle holders to share in profits.

  • Dividends: Portions of corporate profits distributed to shareholders.

Historical Context: The Roots of Macroeconomics

  • John Maynard Keynes published The General Theory of Employment, Interest, and Money in 1936.

    • Keynes posited that government intervention during downturns can stimulate demand and spur economic growth.

Government Role in Macroeconomics

Types of Policies

  1. Fiscal Policy: Concerned with government taxation and spending practices.

  2. Monetary Policy: Tools used by Central Banks to regulate the money supply in an economy.

  3. Growth/Supply-Side Policies: Government initiatives aimed at boosting aggregate supply.

Demand Management vs. Supply-Side Policies

  • Demand-side policies aim at increasing demand to improve economic activity.

  • Supply-side policies focus on enhancing production capacity and efficiency.

    • These often entail capital investment in infrastructure, education, and healthcare.

Impact of Supply-Side Policies

  • Supply-side policies can shift the long-run aggregate supply curve to demonstrate increased productivity and lower prices.

    • Non-inflationary growth will result from supply-side policies boosting output without causing price increases.

Economic Methodology

Connection to Microeconomics

  • Macroeconomic behavior aggregates the microeconomic choices made by households and firms, indicating the need for understanding micro-level factors to effectively analyze macro-level outcomes.

Aggregate Supply and Demand

  • Aggregate Demand: The total demand for goods and services within an economy.

  • Aggregate Supply: The total supply of goods and services produced in an economy.

  • Unlike simple supply and demand curves, aggregate curves are complex and interconnected.

Summary of Macroeconomics

  • Macroeconomics studies the behavior of the entire economy, focusing on long-term growth and cyclical changes regarding output, unemployment, inflation, and international trade.

  • Microeconomics deals with individual market behaviors and household decision-making.

Tutorial Questions

  • What are the five major economic objectives that governments aim to achieve?

  • Explain the concept of inflation.

  • Discuss the implications of unemployment in an economy.

Bibliography

  • Case, K.E., Fair, R.C., and Oster, S.C. (2011), Principles of Economics - 10th Edition, Pearson International.

  • Fourie, L., and Mohr, P., and Associates (2009) Economics for South African Students, Fourth Edition, Van Schaik Publishers.

  • Mankiw, N.G (2001), Principles of Economics, Second Edition, Dryden Press.

  • Mankiw, N.G., Taylor M. P., (2014), Economics - Third Edition, Cengage Learning EMEA.

  • Southwestern/Thomson Learning (2003).

  • Van Rensburg, J.J., McConnell, C., and Brue, S. (2011), Economics Southern Africa Edition n-McGraw-Hill Education.