as has incentive to give more miles for cx and selected partner (100%) bonus is to induce flyers to credit cx to as because it is too one side as more as miles are redeemed on cx than the reverse. so as has to pay cash to cx. by inducing cx flyers to credit to as to balaned the payment and counter the revenue based program of ua aa and dl as flyers would earb more miles on premium cabin on aa dl and ua under the new scheme?