Finding it Hard to Hire? Try Raising Your Wages
at this price level.” 3 For any trade to occur there must always be at least one seller for each buyer (and vice versa); once there are no more sellers at a specific price level, if you want to find more stock for sale, you must look at higher price levels. After several decades of lagging prices for low wage labor, I believe what we are witnessing is something very similar. THERE IS NO MORE LABOR FOR SALE AT $7/HOUR; so the price moves up. Once it moves up high enough so that supply matches with demand, you get a stabilization at that level.
Source: ritholtz.com