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Expansionary policies lead to a lower unemployment rate. The next step in understanding the temptations and dilemmas facing governments is to show that there is a short-run trade-off between unemployment and inflation.

He found that when the unemployment rate was high, the wage rate fell and when it was low, the wage rate rose. The rate of change in the aggregate price level was found to be related to the unemployment rate by other economists.

The average is shown by each dot.

In this example, a zero output gap is associated with zero inflation and a 4% output gap is associated with 2% inflation.

In panel a, the economy reduces unemployment to 4% and inflation to 2%.

Consider two possibilities.

Unemployment and inflation have a negative relationship.

A decrease in aggregate demand leads to a rise in the unemployment rate and a fall in the inflation rate. The movement downward and the right along the short-runPhillips curve correspond to this.

ThePhillips curve is affected by changes in aggregate supply. In the 1970s, surging oil prices were an important factor in the inflation of the time, and they played an important role in the acceleration of inflation in 2008.

There are other factors that can change thePhillips curve. Americans didn't have much experience with inflation in the early 1960s, as inflation rates had been low for a long time. Americans came to expect future inflation after inflation had been increasing for a number of years.

The rate of inflation that employers and workers expect in the near future is the most important factor.

The rate of inflation that employers and workers expect in the future is called the expected rate of inflation. The short-run trade-off between unemployment and inflation can be affected by changes in the expected rate of inflation.

Put yourself in the shoes of a worker or employer who is about to sign a contract setting the worker's wages over the next year. If everyone expects prices to be stable, the wage rate will be higher than if everyone expects high inflation.

A wage rate that takes into account future declines in purchasing power of earnings is what the worker wants. A wage rate that won't fall behind the wages of other workers is what he or she will want. If hiring workers later will be more expensive, the employer will be more willing to agree to a wage increase. Increasing prices will make it more affordable for the employer to pay a higher wage rate.

When the expected inflation rate is higher, the rate of inflation at any given unemployment rate is higher. The relationship between expected inflation and actual inflation is one-to-one according to macroeconomists. When the expected inflation rate increases, the unemployment rate will increase by the same amount. The inflation rate at any given level of unemployment will fall when the expected inflation rate falls.

The expected rate of inflation is zero.

The curve has an inflation rate of 2%.

The Ameri shocks that the U.S. economy suffered accelerated in the 1960s. The public came to expect that the price of oil would go up in the 1970s and 1960s, as wars and high inflation took their toll, and this led to the creation of a short-runPhillips curve tions in the Middle East. It took the U.S. economy with a short run in oil supplies and as oil-exporting sustained and costly effort during the trade-off between unemployment countries to get inflation back down.

The result was expected after 1969 when the oil price shocks caused flation to be low and the ship to fall apart. The figure plots the growth. Even with low rates of unemployment, both of these factors shifted.

If people expected zero inflation, the inflation rate would be 2 percentage points higher.

People base their expectations about inflation on experience. People expect the inflation rate to be around zero in the near future if the rate has not gone up in the last few years. People will expect inflation to be around 5% in the near future if the inflation rate has averaged around 5% recently.

Since expected inflation is an important part of the discussion about the short-runPhillips curve, you might wonder why it wasn't in the original version. The answer is in history. In the early 1960s, people were accustomed to low inflation rates and reasonably expected that future inflation rates would also be low. After 1965, persistent inflation became a fact of life. It became clear that expected inflation would be an important part of price-setting.

There is a trade-off between inflation and unemployment according to the short-runPhillips curve. Policy makers can either accept the price of high inflation in order to achieve low unemployment or they can reject it and pay high unemployment. Many economists believed that the trade-off was a real choice.

The view was greatly altered by the fact that expected inflation affects the short-runPhillips curve. Expectations can differ from reality in the short run. Expectations will be reflected in a consistent rate of inflation. People will come to expect more of the same if inflation is high, as it was in the 1970s, and if it is low, as it has been in recent years. There is no long-run trade-off according to most macroeconomists. It is not possible to achieve lower unemployment by accepting higher inflation.

The economy has had no inflation in the past.

The inflation rate will be zero if the unemployment rate is 6%.

Suppose policy makers trade off lower unemployment for a higher rate of inflation. Monetary policy, fiscal policy, and both are used to drive down the unemployment rate.

The public will eventually expect a 2% inflation rate.

It requires an ever-accelerating inflation.

It's the situation to adjust to.

Inflation can't be maintained if the unemployment rate is below the NAIRU. There is no tradeoff between unemployment and inflation according to most macroeconomists.

It's vertical because the unemployment rate can lead to inflation.

The rate of unemployment can't be maintained in the long run. There is a point we haven't emphasized yet: any not changing over time.

The natural rate of unemployment is unaffected by the business cycle.

The NAIRU is a name for the natural rate. The natural rate of unemployment is equal to the level of unemployment that the economy needs.

Economists estimate the natural rate of unemployment by looking at the behavior of the inflation rate and unemployment rate over the course of the business cycle. The way major European countries learned that their natural rates of unemployment were 9% or more was through unpleasant experience. In the late 1980s and again in the late 1990s, European inflation began to accelerate as European unemployment rates began to fall.

The United States inflation trends are different than the overall inflation. At the end of the 1970s, when thePhillips curve ended with a high rate of this measure, inflation fell from about to about unemployment, which was 12% at the end of the 1980s.

In the late 1980's, inflation is reduced. The Federal Reserve imposed a strong economy that can return to normal at 10% or more per year, but it appears that monetary policies are contractionary and the rate of unemployment is low.

Inflation was the worst since the Great recession.

If we had to index, which excludes volatile energy ing to an unemployment rate of more do the same thing today, that would and food prices would be less than 9%. A better indicator of underlying back to potential output was given up by the aggregate output.

This model can be used to estimate the natural rate, because of the data on unemployment and inflation.

It is much harder to bring inflation down than it is to increase it. It is painful to bring inflation down once the public has come to expect it.

Inflation becomes incorporated into expectations when unemployment is kept below the natural rate. To reduce inflationary expectations, policy makers need to adopt contractionary policies that keep the unemployment rate above the natural rate for an extended period of time.

It can be very expensive to lose money. The U.S. retreat from high inflation at the start of the 1980s appears to have cost about 18% of a year's real GDP. The permanent gain is the reason for paying these costs. Although the economy does not recover the shortterm production losses caused by disinflation, it does not suffer from the costs associated with persistently high inflation. The United States, Britain, and other wealthy countries that experienced inflation in the 1970s decided that the benefit of bringing inflation down was worth the suffering in the short term.

If policy makers explicitly state their determination to reduce inflation, the costs of disinflation can be reduced. They argue that a credible policy of disinflation can reduce expectations of future inflation and shift the short-runPhillips curve downward. The costs of disinflation were lower because of the determination of the Federal Reserve to combat the inflation of the 1970s, according to some economists.

Falling aggregate prices were almost as common as inflation. On the eve of World War II, the US consumer price index was 30% lower than it had been in 1920. Inflation became the norm after World War II. Deficiency reappeared in Japan in the 1990s. In the early 2000s and late 2008 there were concerns about deflation. There was a brief period of deflation in the U.S. in late 2008.

Both winners andlosers are produced by deflation, but in the opposite direction.

A dollar in the future has a higher real value than a dollar today. Under deflation, the real value of borrowers' payments increases. The real burden of debt goes up for borrowers.

Irving Fisher claimed at the beginning of the Great Depression that deflation can cause an economic slump.

deflation takes real resources away from borrowers and gives them to the lender. Fisher said that borrowers who lose from deflation are usually short of cash and will be forced to cut spending when their debt burden increases.

They own loans for inflation, unemployment, and stabilization policies. Fisher said that deflation reduces aggregate demand, deepens the economic slump, and may lead to further deflation.

The nominal interest rate is affected by expected deflation. If the expected inflation rate is zero, the equilibrium nominal interest rate is 4%. The equilibrium nominal interest rate will be 4% if the public expects deflation at 3% per year.

They wouldn't lend money at a negative nominal rate of interest because they wouldn't do better by holding cash.

Monetary policy can be limited by this zero bound. The econ should go below zero.

The central bank can cut interest rates to increase demand. The central bank can't push the nominal interest rate down further if it's already zero. With a negative inflation rate and a zero nominal interest rate, banks refuse to lend and consumers and firms refuse to spend.

A situation in which conventional monetary policy to fight a slump can't be used because nominal interest rates are up against the zero bound.

The nominal interest rate is 4% at an expected inflation rate of zero.

Inflation kept rates above zero during World War II.

When World War II ended, the U.S. economy was either close to or up against the zero bound. When inflation became the norm around the world after World War II, the zero bound problem largely vanished as the public came to expect inflation rather than deflation.

In the late 1980s, Japan experienced a huge boom in the prices of both real estate and stocks.

The Lost Decade was when inflation, unemployment, and stabilization policies were stagnant and eventually led to deflation. The Bank of Japan repeatedly cut interest rates to fight the weakness of the economy.

It arrived at the zero interest rate policy. The equivalent of the U.S. federal funds rate was set at zero. It would have been beneficial to cut interest rates even more. Japan was against the zero bound.

The Federal Reserve was against the zero bound from 2008 to at least the present day. The interest on short-term U.S. government debt plummeted after the bursting of the housing bubble.

The test has multiple-choice questions.

There are free-response questions for tackle the test.

Take into account the accompanying figure.