In this course, you will learn all of the major principles of macroeconomics normally taught in a quarter or semester course to college undergraduates or MBA students. Perhaps more importantly, you will also learn how to apply these principles to a wide variety of situations in both your personal and professional lives. In this way, the Power of Macroeconomics will help you prosper in an increasingly competitive and globalized environment. This course is also available in Portuguese. To join the fully translated Portuguese version, visit this page: https://www.coursera.org/learn/macroeconomia-pt/
Some Basic Unemployment Concepts
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来自 University of California, Irvine 的课程
宏观经济学的力量：真实世界中的经济学原理
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从本节课中
Unemployment, Inflation, and Stagflation
与讲师见面
Dr. Peter NavarroProfessor
Paul Merage School of Business
[MUSIC]
Welcome to The Power of Macroeconomics.
Lecture Five: Unemployment, Inflation, and Stagflation.
The purpose of this lesson is to examine much
more closely three of the most important problems in macroeconomics.
Unemployment and inflation, and the combination
of these two problems known as stagflation.
Unemployment and inflation,
inflation and unemployment.
These are two of the most important problems in macroeconomics, and
in most cases, macroeconomists can solve at least one of them.
But only by worsening the other.
For example, expansionary fiscal or monetary policy can
usually pull an economy out of a recession.
But such actions may cause inflation.
On the other hand, contractionary policies typically can
be used to fight inflation.
But often at the cost of more unemployment and recession.
But what happens when an economy faces both high unemployment and soaring
inflation as many nations of the globe did during the turbulent 1970s?
Are traditional, Keynesian style monetary and fiscal
policies still effective in fighting such stagflation?
In order to answer
this important question, we've got to learn a lot
more about what makes both unemployment and inflation tick.
In doing so, we're going to learn about
one of the great debates in macroeconomic theory.
Namely, is there a clear trade off between unemployment and
inflation as advocates of the so called Phillips Curve suggest?
Or is the Phillips Curve simply a dinosaur concept of a failed Keynesianism?
In this lesson we're also going to compare
and contrast the Keynesian and monetarist views of stagflation.
And then illustrate why the doctrine of supply side economics emerged in the 1980s
as a viable political alternative to these two competing economic camps.
To begin, let's review some basic concepts abut unemployment.
In thinking about the unemployment
problem, economists identify three different kinds.
Frictional, structural, and cyclical.
Frictional unemployment is the least of the economist's worries.
It arises because of the incessant movement of people between
regions and jobs or through different stages of their life cycle.
For example, even when an economy is at
full employment there is still some turnover as
students search for jobs when they graduate from school
and when women reenter the labor force after having children.
Cyclical unemployment is a much more serious problem.
It occurs when the economy dips into a recession, and it is this type
of unemployment that macroeconomists have historically spent
most of their time trying to solve.
In an increasingly technological age, the third type
of unemployment, structural unemployment, has begun receiving more attention.
Structural unemployment occurs when there is a mismatch between the
available jobs and the skills workers have to perform them.
It often results when technological change makes someone's job obsolete.
The highly skilled glassblower thrown out of work
by the invention of bottle making machines or the
specialized autoworker replaced by a robot.
A second source of structural unemployment results from a mismatch
between the location of workers and the location of job openings.
For example, in the 1980s when the price of oil plunged.
Many oil field workers in the oil producing
states found themselves structurally
unemployed when widespread layoffs occurred.
Even though unemployment was low in other parts of the country.
This distinction between cyclical, frictional,
and structural unemployment is important.
Because it helps economists diagnose the general health
of the labor market and craft appropriate policy responses.
For example, in the presence of cyclical unemployment due to
recession, expansionary fiscal or monetary policies may be quite appropriate.
However, structural unemployment often requires more
targeted policies, such as job retraining.
