Research Discussion Paper – 1974 Equation (A.9)

PT PN . Y ( ) ST . SN Y ( ) = 0 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeiuaiaabs facqGHsislcaqGqbGaaeOtaiaac6cadaWcaaqaaiabgkGi2kaabMfa daqadaqaaiaaykW7caaMc8UaaGPaVlaaykW7caaMc8oacaGLOaGaay zkaaaabaGaeyOaIyRaae4uaiaabsfaaaGaaiOlamaalaaabaGaeyOa IyRaae4uaiaab6eaaeaacqGHciITcaqGzbWaaeWaaeaacaaMc8UaaG PaVlaaykW7caaMc8UaaGPaVdGaayjkaiaawMcaaaaacaaMc8Uaeyyp a0JaaGPaVlaaicdaaaa@5DAF@