RDP 9307: Explaining Forward Discount Bias: Is it Anchoring? Equation (B7)

z t+ 1 i i t + Δ s t+1 . MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaiOEamaaBa aaleaacaqG0bGaae4kaiaaigdaaeqaaOGaeyisISRaaeyAamaaCaaa leqabaGaey4fIOcaaOGaeyOeI0IaaeyAamaaBaaaleaacaqG0baabe aakiabgUcaRiabfs5aejaabohadaWgaaWcbaGaaeiDaiaabUcacaqG Xaaabeaakiaac6caaaa@46D2@