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

ln ( D t ) = ξ + δ y ¯ − σ i t , δ , σ > 0 , MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaqbaeqabeGaaa qaaiaabYgacaqGUbWaaeWaaeaacaqGebWaaSbaaSqaaiaabshaaeqa aaGccaGLOaGaayzkaaGaeyypa0dccaGae8NVdGNaey4kaSIae8hTdq gcbaGab4xEayaaraGaeyOeI0Iae83WdmNaa4xAamaaBaaaleaacaqG 0baabeaakiaacYcaaeaacqWF0oazcqWFSaalcqWFdpWCaaGaeyOpa4 JaaGimaiaacYcaaaa@4DE8@