Broadie has created a similar way of measuring the contribution to scoring success of all the other strokes, too.
WSJ: Sean Foley, Eclectic Golf Whisperer
2.
"It's harder to tease data out of team sports, because the action is so diffuse, " said Mark Broadie, a finance professor at Columbia Business School.
WSJ: Why Scientists Love to Study Golf
3.
Broadie and Foley both believe that the key differentiating factor between a great player and a good one is their prowess with long approach shots, from 150 to 250 yards.