Research Discussion Paper – 1974 Equation (11)

Δ XL t e = XL t 1 MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeuiLdqKaaG PaVlaabIfacaqGmbWaa0baaSqaaiaabshaaeaacaqGLbaaaOGaeyyp a0JaeyOeI0IaaeiwaiaabYeadaWgaaWcbaGaaeiDaiabgkHiTiaaig daaeqaaaaa@430F@