Lecture 1

1. Lecture 1 Introduction to Business economics - I Instructor: Prof.Dr.Qaisar Abbas Course code: ECO 400

2. Introduction • Course instructor: Prof. Dr.Qaisar Abbas • Course title: Business economics • Credit hours: 3 (3,0) • Course code: ECO400 • Course Objective • Understanding of micro and macroeconomics concepts • Business applications of economics

3. Introduction • Course Outline • Introduction to Business economics • Market forces of supply and demand • Elasticity • The theory of consumer choice • The Costs of Production • Firms in Competitive Markets • Monopoly • Monopolistic Competition

4. Introduction • Measuring a Nation’s Income • Production and Growth • Saving investment and financial system • Unemployment • Unemployment and Inflation • Money and Inflation • Open economy • Aggregate demand and aggregate supply • Poverty • Economy of Pakistan

5. Introduction • Core texts • Principles of economics, N. Gregory Mankiw • Additional reading • Managerial economics and business strategy, Michael.R.Baye • Assessment Method • 4 Quizzes 10% • 4 Assignment 15% • 1st sessional 10% • 2nd sessional 15% • Final Exam 50%

6. Lecture Outline • Introduction to Economics/ definitions • Ten principles of economics • Why Manager needs to Study economics

7. Introduction • Evolution of Economics • In old days people used the word “ oikonomos” for the management of house affairs. • Development of civilization extended oikonomos to frontiers of the country and resulted it in becoming “political economy”, which dealt with various economic affairs of the country. • 1770 industrial revolution gave rise to problems like housing, transport, unemployment which extended political economy to “economics”. • Definitions of economics • The definition of economics evolved through three stages. • Definition of the Classical school of thought led by Adam Smith • Definition of the Neo Classical school of thought led by Alfred Marshall • Definition of the Modern school of thought led by Lionel Robbins

8. Introduction • Definition of the Classical school of thought led by Adam Smith • In 1776 Adam Smith defined economics as a Science of Wealth. • He discussed wealth from four different aspects • Production of wealth: Goods and services produced with a combination of land, labor, capital and organization. • Exchange of wealth: Enables society to satisfy multiple wants. • Distribution of wealth: Everybody gets everything produced in the country • Consumption of wealth: Utility of goods and service for satisfaction. • Criticism • It could make society materialistic

9. Introduction • 2. Definition of the Neo Classical school of thought led by Alfred Marshall • Dr. Alfred Marshall’s in 1798 defined economics as • “Economics is a science which studies human behavior in the ordinary business of life; it examines that part of individual and social action which is most closely connected with the attainment and with the use of material requisites of well being.” • Criticism • It limits the scope of economics as it leaves out non material requisites of well being. • Material requisites which do not promote welfare are excluded e.g. drugs, cigarettes etc. • Welfare is not a measurable concept. • Problems in policy making as it creates a problem of liking and disliking.

10. Introduction • 3. Definition of the Modern school of thought led by Lionel Robbins • Robbins's Defined economics as • “Economics is a science which studies human behavior as a relationship between multiple ends and scarce means which have alternative uses.” • Merits • Comprehensive • Extension of economics scope to services • Analytical in nature which helps in problem resolving. • Demerits • He tried to make economics as pure science whereas its is a social science. • There is no touch of morality. • He says resources are limited and does not explain the increase in limited resources.

11. Introduction • A household and an economy face many decisions: • Who will work? • What goods and how many of them should be produced? • What resources should be used in production? • At what price should the goods be sold? • Society and Scarce Resources: • The management of society’s resources is important because resources are scarce. • Scarcity. . . means that society has limited resources and therefore cannot produce all the goods and services people wish to have. • Economics is the study of how society manages its scarce resources. • Types of economics • Microeconomics focuses on the individual parts of the economy. • How households and firms make decisions and how they interact in specific markets • Macroeconomics looks at the economy as a whole. • Economy-wide phenomena, including inflation, unemployment, and economic growth

12. Ten principles of economics • How people make decisions. • People face tradeoffs. • The cost of something is what you give up to get it. • Rational people think at the margin. • People respond to incentives. • How people interact with each other. • Trade can make everyone better off. • Markets are usually a good way to organize economic activity. • Governments can sometimes improve economic outcomes. • The forces and trends that affect how the economy as a whole works. • The standard of living depends on a country’s production. • Prices rise when the government prints too much money. • Society faces a short-run tradeoff between inflation and unemployment.

13. Ten principles of economics • Principle #1: People Face Tradeoffs. • To get one thing, we usually have to give up another thing. • Guns v. butter • Food v. clothing • Leisure time v. work • Efficiency v. equity • Making decisions requires trading off one goal against another. • Efficiency v. Equity • Efficiency means society gets the most that it can from its scarce resources. • Equity means the benefits of those resources are distributed fairly among the members of society

14. Ten principles of economics • Principle #2: The Cost of Something Is What You Give Up to Get It. • Decisions require comparing costs and benefits of alternatives. • Whether to go to college or to work? • Whether to study or go out for shopping? • Whether to go to class or sleep in? • The opportunity cost of an item is what you give up to obtain that item. • Principle #3: Rational People Think at the Margin. • Marginal changes are small, incremental adjustments to an existing plan of action. • People make decisions by comparing costs and benefits at the margin.

15. Ten principles of economics • Principle #4: People Respond to Incentives. • Marginal changes in costs or benefits motivate people to respond. • The decision to choose one alternative over another occurs when that alternative’s marginal benefits exceed its marginal costs! • Principle #5: Trade Can Make Everyone Better Off. • People gain from their ability to trade with one another. • Competition results in gains from trading. • Trade allows people to specialize in what they do best. • Principle #6: Markets Are Usually a Good Way to Organize Economic Activity. • A market economy is an economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services. • Households decide what to buy and who to work for. • Firms decide who to hire and what to produce

16. Ten principles of economics • Principle #7: Governments Can Sometimes Improve Market Outcomes. • Market failure occurs when the market fails to allocate resources efficiently. • When the market fails (breaks down) government can intervene to promote efficiency and equity. • Market failure may be caused by • an externality, which is the impact of one person or firm’s actions on the well-being of a bystander. • market power, which is the ability of a single person or firm to unduly influence market prices. • Principle #8: The Standard of Living Depends on a Country’s Production. • Standard of living may be measured in different ways: • By comparing personal incomes. • By comparing the total market value of a nation’s production. • Almost all variations in living standards are explained by differences in countries’ productivities.

17. Ten principles of economics • Productivity is the amount of goods and services produced from each hour of a worker’s time. • Principle #9: Prices Rise When the Government Prints Too Much Money. • Inflation is an increase in the overall level of prices in the economy. • One cause of inflation is the growth in the quantity of money. • When the government creates large quantities of money, the value of the money falls. • Principle #10: Society Faces a Short-run Tradeoff Between Inflation and Unemployment. • The Phillips Curve illustrates the tradeoff between inflation and unemployment: • It’s a short-run tradeoff!

18. Why managers need to study economics? • Informed and rational decision making • Better policy making • Enhancement of analytical skills • Not limited to profit-making firms and organizations • Optimum utilization of scarce resources