Or, you know, a standard case of price discrimination (http://en.wikipedia.org/wiki/Price_discrimination http://en.wikipedia.org/wiki/Price_discrimination). No

Or, you know, a standard case of price discrimination (http://en.wikipedia.org/wiki/Price_discrimination http://en.wikipedia.org/wiki/Price_discrimination). Non-profit vs. others isn't a perfect measure of willingness and ability to pay, but does have some correlation. Rebates and coupons aren't perfect at identifying those with higher elasticity either, but they are still in common use.