We specify several variants of a structural econometric model explaining mortgage interest rates and loan sizes simultaneously. The models are estimated by simultaneous equation methods with a sample of loan files originated from a French mortgage lender. They yield estimates of the...

On mobile phone markets that have reached the maturity stage, customer recommendation becomes a critical focus for operators to attract subscribers from rival operators. Referral propensity is also an indicator of subscriber satisfaction and loyalty. The aim of this paper is to examine the...