RDP 2009-01: Currency Misalignments and Optimal Monetary Policy: A Re-examination Equation (B2)

υ t = 2 ( 1 1 σ 1 1 + ϕ ) C 1 σ + C 1 σ ( c t + c t * ) + 1 σ 2 C 1 σ ( ( c t ) 2 + ( c t * ) 2 ) C 1 σ ( n t + n t * ) 1 + ϕ 2 C 1 σ ( ( n t ) 2 + ( n t * ) 2 ) + o ( a 3 ) . MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGceaqabeaacqaHfp qDdaWgaaWcbaGaamiDaaqabaGccqGH9aqpcaaIYaWaaeWaaeaadaWc aaqaaiaaigdaaeaacaaIXaGaeyOeI0Iaeq4WdmhaaiabgkHiTmaala aabaGaaGymaaqaaiaaigdacqGHRaWkcqaHvpGzaaaacaGLOaGaayzk aaGaam4qamaaCaaaleqabaGaaGymaiabgkHiTiabeo8aZbaakiabgU caRiaadoeadaahaaWcbeqaaiaaigdacqGHsislcqaHdpWCaaGcdaqa daqaaiaadogadaWgaaWcbaGaamiDaaqabaGccqGHRaWkcaWGJbWaa0 baaSqaaiaadshaaeaacaGGQaaaaaGccaGLOaGaayzkaaaabaGaey4k aSYaaSaaaeaacaaIXaGaeyOeI0Iaeq4WdmhabaGaaGOmaaaacaWGdb WaaWbaaSqabeaacaaIXaGaeyOeI0Iaeq4WdmhaaOWaaeWaaeaadaqa daqaaiaadogadaWgaaWcbaGaamiDaaqabaaakiaawIcacaGLPaaada ahaaWcbeqaaiaaikdaaaGccqGHRaWkdaqadaqaaiaadogadaqhaaWc baGaamiDaaqaaiaacQcaaaaakiaawIcacaGLPaaadaahaaWcbeqaai aaikdaaaaakiaawIcacaGLPaaaaeaacqGHsislcaWGdbWaaWbaaSqa beaacaaIXaGaeyOeI0Iaeq4WdmhaaOWaaeWaaeaacaWGUbWaaSbaaS qaaiaadshaaeqaaOGaey4kaSIaamOBamaaDaaaleaacaWG0baabaGa aiOkaaaaaOGaayjkaiaawMcaaiabgkHiTmaalaaabaGaaGymaiabgU caRiabew9aMbqaaiaaikdaaaGaam4qamaaCaaaleqabaGaaGymaiab gkHiTiabeo8aZbaakmaabmaabaWaaeWaaeaacaWGUbWaaSbaaSqaai aadshaaeqaaaGccaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaOGa ey4kaSYaaeWaaeaacaWGUbWaa0baaSqaaiaadshaaeaacaGGQaaaaa GccaGLOaGaayzkaaWaaWbaaSqabeaacaaIYaaaaaGccaGLOaGaayzk aaGaey4kaSIaam4BamaabmaabaWaauWaaeaacaWGHbWaaWbaaSqabe aacaaIZaaaaaGccaGLjWUaayPcSdaacaGLOaGaayzkaaGaaiOlaaaa aa@97F8@