from Amazon
Monday, April 06, 2009
JC
Q & A with JC:
Q: You have developed Marginal Revenue Products for players, while Fangraphs has a very different system—with very different results—to evaluate a player’s offensive and defensive worth....
A: Yeah, I’m not a fan of the popular online approaches. For one, replacement players aren’t worth league minimum any more than a Starbucks gift card from your grandma makes coffee free. Like the gift card, players have value beyond what you have pay to get the good. Also, the revenue-wins relationship is non-linear, increasing at an increasing rate. Valuing players is difficult. ...