The graph above is an example of a bilateral graph. Bilateral graphs are similar to line graphs in that they measure a variable as it changes over a measure of time. The difference is that bilateral graphs chart two variables against time. The graph above shows job growth against unemployment rates. The two seem inversely related, as job growth increases, unemployment decreases, and vice versa. Similarly, the area on the right shows economic recession, and the area on the right shows economic expansion.
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