Lowering the corporate tax rate from 35 to 21 percent, the GOPs massive overhaul of U.S. tax law exemplifies trickle-down economics at its worst. Trump supporters insist that corporations will generously share their gains with employees, but according to economist Robert Reich, almost all the extra money is going into stock buybacks rather than wage increases. Because the richest 10 percent now own 84 percent of stock shares in the U.S., he emphasizes, this will do little to nothing to improve the prospects of most Americans.