 Real investments could increase by as much as 76% initially and remain 15% above present levels.In addition, the incentive to work would increase by as much as 20%, the economy's capital stock would increase by 42%, labor supply by 4%, output by 12%, and real wage rate by 8%.A study in 2007 by the Beacon Hill Institute of Suffolk University stated that within five years real GDP would increase 10.7% over the current system, domestic investment by 86.3%, capital stock by 9.3%, employment by 9.9%, real wages by 10.2%, and consumption by 1.8%.