First of all, write down the types of unemployment, focusing on the natural unemployment rate.

Then there is Okun's Law-the relationship between unemployment rate and GDP growth rate.

The third part writes Phillips curve. The relationship between unemployment rate and inflation rate. Write Phillips curve, expected Philippine line and long-term Philippine line. Then the situation in the United States in the 1970s was contrary to the Philippine line, and Friedman's view on unemployment rate was mentioned.

Finally, it is a small summary.

These can reach 500 words by writing casually.