Federal Reserve Bank of Atlanta: “One of the primary ways an economy expands is by quickly reallocating resources to the places where they are most productive. If new and productive firms are able to quickly grow and unproductive firms can quickly shrink, then the economy as a whole will experience faster growth and the many benefits (such as lower unemployment and higher wages) that are associated with that growth. Certain individuals may experience unemployment spells from this reallocation, but economists, starting with Joseph Schumpeter, have found that reallocation is associated with economic growth and wage growth, particularly for young workers. Recently, a number of prominent economists such as John Haltiwanger have expressed concern that falling reallocation rates in the United States are a major contributor to the slow economic recovery. One simple way to quantify the speed of reallocation is to examine the job creation rate—defined as the number of new jobs in expanding firms divided by the total number of jobs in the economy—and the destruction rate, defined likewise but using the number of jobs lost by contracting firms. Chart 1 plots both the creation and the destruction rates of the U.S. economy starting in 1977. These measures track each other closely with creation rates exceeding destruction rates during periods of economic growth and vice versa during recessions. The most recent recession saw a particularly sharp decline in job creation (you can highlight the creation rate by clicking on the line), but it is clear this decline is part of a larger trend that far predates the current period. A decline in these rates could indicate less innovation or less labor market flexibility, both of which are likely to retard economic growth. Feel free to explore the measures for yourself using the figure’s interactivity.”
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