Introduction to
Macroeconomics
              Spring 2013
                   Topic 1
Course Basics
Syllabus

  Schedule is tentative

  Grading policy
Course Basics
Syllabus

Readings

  Book

  Wall Street Journal
Course Basics
Syllabus

Readings

Sapling Learning
Course Basics
Syllabus

Readings

Sapling Learning

Blackboard
What is economics?
Scarcity

  Limited resources, unlimited wants
What is economics?
Scarcity

Economics is the study of the choices made
due to scarcity
What is
  macroeconomics?
Microeconomics

  Individual choices

  Individual markets
What is
  macroeconomics?
Microeconomics

Macroeconomics

  How individual choices combine to
  determine the macroeconomic BIG THREE
What are the big three?
 Inflation

    Nov. 2012

    1.8%
What are the big three?
 Inflation

 Unemployment

    Dec. 2012

    7.8%
What are the big three?
 Inflation

 Unemployment

 Output and growth

    3rd quarter, 2012 estimate

    $15.811 trillion

    3.1%
How economists work
The scientific method

  Observational versus experimental
How economists work
The scientific method

Economic models

  The role of assumptions
How economists work
The scientific method

Economic models

Positive vs. normative economics
A first model: PPF
Production Possibilities Frontier

  Models what the economy is capable of
  producing
A first model: PPF
Production Possibilities Frontier

Factors of production

  Physical capital

  Labor

  Natural resources

  Technological knowledge
A second model: the
   Circular Flow
Models the interconnections in the economy

Models how much of the productive potential
the economy will use

Econ 2020, Topic 1