Cyclical Unemployment vs Natural Rate of Unemployment
Cyclical Unemployment and Natural Rate of Unemployment are two Unemployment & Inflation concepts in AP Economics that students often mix up. Cyclical unemployment is unemployment that occurs due to a decline in economic activity during a recession. The natural rate of unemployment is the lowest level of unemployment that can be sustained without causing inflation to rise. Here is how they compare side by side.
Cyclical unemployment is directly related to the business cycle. During an economic downturn or recession, the demand for goods and services decreases, leading to layoffs and higher unemployment. When the economy recovers and enters an expansion phase, cyclical unemployment tends to decrease as businesses hire more workers to meet the increased demand.
The natural rate of unemployment is the sum of frictional and structural unemployment. It represents the level of unemployment that exists even when the economy is operating at full capacity. If unemployment falls below the natural rate, it can lead to upward pressure on wages and prices, potentially causing inflation.
Cyclical Unemployment vs the Natural Rate: Splitting the Measured Rate in Two
| Cyclical Unemployment | Natural Rate of Unemployment | |
|---|---|---|
| What it is | The part of unemployment caused by output falling below potential | The unemployment that remains when output sits at potential |
| What it is made of | Job losses traced to weak aggregate demand | Frictional unemployment plus structural unemployment |
| Sign it can take | Positive in a downturn, zero at full employment, negative when output runs above potential | Always positive |
| Speed of change | Months and quarters, moving with the business cycle | Slow, moving with demographics, technology, labor law and institutions |
| Policy that works on it | Demand-side tools: government spending, taxes, interest rates | Supply-side tools: training, matching, licensing reform, mobility |
| On the aggregate supply diagram | The horizontal gap between short-run output and the long-run vertical line | The unemployment level associated with the long-run vertical line itself |
| On the Phillips curve | A movement along the short-run curve | The unemployment rate where the long-run curve stands |
Measured unemployment is the natural rate plus a cyclical piece that can go negative
The published unemployment rate is a total, and almost every macro question about it starts by splitting that total. Take an illustrative economy whose natural rate is 5.0 percent. If the measured rate is 8.0 percent, the cyclical component is 8.0 minus 5.0, or 3.0 percentage points, and every point of that is a demand problem. If instead the measured rate is 4.0 percent, the cyclical component is 4.0 minus 5.0, or negative 1.0 percentage point, which says the economy is producing above potential and firms are competing hard for scarce workers. The natural rate did not move in either case. Only the cycle did. The same split feeds the output side. Under an illustrative rule of thumb where each percentage point of cyclical unemployment corresponds to two percent of lost output, a 3.0 point gap means production runs about 6 percent below potential. In an economy with potential output of 500 billion dollars, that is roughly 30 billion dollars of goods never made. Both numbers here are made up to show the mechanics, not measurements of any real economy. The arithmetic is laid out step by step at /calculate/cyclical-unemployment.
Only one of the two can be pushed down by spending
Once the total is split, the policy answer follows from which piece is large. A positive cyclical component means the economy is inside its own capacity, so tax cuts, government purchases or lower interest rates can move output back toward potential and take unemployment with it. Prices rise somewhat as that happens, which is the short-run trade-off, and the graph tool at /sandbox/phillips-curve lets you slide along it. Push past the point where cyclical unemployment reaches zero and the trade-off stops working. Extra demand then meets an economy already using its workers, so it raises wages and prices rather than employment, and once people expect that higher inflation the short-run curve shifts up and unemployment returns to the natural rate at a worse inflation rate. That is why the long-run curve is drawn vertical. Lowering the natural rate itself takes a different set of tools, because its two ingredients are search delay and mismatch. Faster job matching, cheaper retraining, licensing that transfers across state lines, and housing that lets people move toward work all shift that vertical line left. None of them is a spending decision, and none of them acts quickly.
Frequently asked questions
Is cyclical unemployment part of the natural rate of unemployment?
No, cyclical unemployment is not part of the natural rate, which is made up of frictional and structural unemployment only. The natural rate is defined as the unemployment left over once the cyclical component is zero, so by construction the two do not overlap.
Can cyclical unemployment be negative?
Yes, cyclical unemployment is negative whenever the measured unemployment rate sits below the natural rate, which happens when output runs above potential. It is a sign of an overheating labor market rather than a healthy one, because the gap tends to close through rising wages and prices.
How do you calculate cyclical unemployment?
Subtract the natural rate of unemployment from the actual unemployment rate, and the difference in percentage points is the cyclical component. An actual rate of 7.5 percent with a natural rate of 4.5 percent gives 3.0 percentage points of cyclical unemployment.
Live Business Cycle graph. Drag the curves, or open the full version.
Live Phillips Curve graph. Drag the curves, or open the full version.
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