> If you could come up with a model that works better than just bluntly delineating by race, that would be great.

Uhm, don't delineate by race. Trying to fix this by forcing equality of outcome is akin to trying to manage your resources in a 'planned' economy, you will always do more damage then good.

If you have the money to spend, then spend it by fighting poverty, pull more people into the middle class.