Conference – 1992 Equation

t 1 w t = ( β / 2 ) ( σ 2 λ t + σ 2 pt ) + υ pt MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaSbaaSqaai aabshacqGHsislcaaIXaaabeaakiaabEhadaWgaaWcbaGaaeiDaaqa baGccqGH9aqpdaqadaqaaiabek7aIjaac+cacaaIYaaacaGLOaGaay zkaaWaaeWaaeaacqaHdpWCdaahaaWcbeqaaiaaikdaaaGcdaWgaaWc baGaeq4UdWMaaeiDaaqabaGccqGHRaWkcqaHdpWCdaahaaWcbeqaai aaikdaaaGcdaWgaaWcbaGaaeiCaiaabshaaeqaaaGccaGLOaGaayzk aaGaey4kaSIaeqyXdu3aaSbaaSqaaiaabchacaqG0baabeaaaaa@5228@