When the cross elasticities are zero, substantial welfare gains are available from discounts larger than 6a and the optimal discount appears to be well above 8a.
Cross elasticizes can be zero.
Cross elasticies are always in the hundreds.
A woman swings a tennis racket.
A soccer player is running down the field.
Humans playing
a man plays a guitar
It's because the pressure makes things more efficient.
The lounge is closing.