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

η ¯ = Σ i p i η ( α i ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGafq4TdGMbae bacqGH9aqpdaaeqbqaaiaadchadaahaaWcbeqaaiaadMgaaaGccqaH 3oaAdaqadaqaaiabeg7aHnaaCaaaleqabaGaamyAaaaaaOGaayjkai aawMcaaaWcbaGaamyAaaqab0GaeyyeIuoaaaa@43E4@