This scale can be a powerful tool against grade inflation. I hope it will be adopted by civilian agencies. Use past performance to reward outstanding vendors and not just punish poor ones. The biggest value added from past performance comes from driving performance upward. That won't happen if people see past performance only as a way to get rid of the bottom of the barrel.
Past performance can be a powerful tool to help the government obtain better value from contracting.
Whether it does so in your agency depends on you. He is now Weatherhead Professor of Public Management at Harvard's Kennedy School of Government.