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

Δ f t = ( η 1 / θ ) f d t 1 + ( 1 + [ θ η 1 ] / λ ) v t + e t w h i l e Δ s t = η f d t 1 + ( 1 + θ η / λ ) ν t + e t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGceaqabeaaiiGacq WFuoarieGacaGFMbWaaSbaaSqaaiaadshaaeqaaOGaeyypa0ZaaeWa aeaacqaH3oaAcqGHsislcaaIXaGaai4laiabeI7aXbGaayjkaiaawM caaiaadAgacaWGKbWaaSbaaSqaaiaadshacqGHsislcaaIXaaabeaa kiabgUcaRmaabmaabaGaaGymaiabgUcaRmaadmaabaGaeqiUdeNaeq 4TdGMaeyOeI0IaaGymaaGaay5waiaaw2faaiaac+cacqaH7oaBaiaa wIcacaGLPaaacaWG2bWaaSbaaSqaaiaadshaaeqaaOGaey4kaSIaam yzamaaBaaaleaacaWG0baabeaaaOqaauaabeqabiaaaeaacaWG3bGa amiAaiaadMgacaWGSbGaamyzaaqaaiabgs5aejaadohadaWgaaWcba GaamiDaaqabaGccqGH9aqpcqaH3oaAcaWGMbGaamizamaaBaaaleaa caWG0baccaGae0NeI0IaaGymaaqabaGccqGHRaWkdaqadaqaaiaaig dacqGHRaWkcqaH4oqCcqaH3oaAcaGGVaGaeq4UdWgacaGLOaGaayzk aaaaaiabe27aUnaaBaaaleaacaWG0baabeaakiabgUcaRiaadwgada WgaaWcbaGaamiDaaqabaaaaaa@7864@