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What economic growth rate is required to halve U.S. unemployment?
I'm reminded of Say's Law (developed by Jean-Baptiste Say) which can best be reduced to: The market clears (i.e. there is always some price at which an item will sell in a market).  Full employment can always be obtained in any free market economy.  People may not be pleased, however, with their wage rate. There are, however, many deterrents to employment (at least in the US): These are just some I can think of off the top of my head.  I'm sure there are many others.