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In page Economic indicator:

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Lagging indicators are indicators that usually change after the economy as a whole does. Typically the lag is a few quarters of a year. The unemployment rate is a lagging indicator: employment tends to increase two or three quarters after an upturn in the general economy.[citation needed]. In a performance measuring system, profit earned by a business is a lagging indicator as it reflects a historical performance; similarly, improved customer satisfaction is the result of initiatives taken in the past.[citation needed]